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    <registrant>Julita Reguła</registrant>
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        <full_title> Acta Scientiarum Polonorum Silvarum Colendarum Ratio et Industria Lignaria</full_title>
        <abbrev_title>Acta Sci.Pol. Silv.</abbrev_title>
        <issn media_type="print">16440722</issn>
        <issn media_type="electronic">24507997</issn>
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          <doi>10.17306/J.AFW</doi>
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        <titles>
          <title>Effect of extreme weather events on the pheromone trapping dynamics of European spruce bark beetle (Ips typographus L.) in various environmental conditions of mountain spruce stands</title>
        </titles>
        <contributors>
          <organization contributor_role="author" sequence="first">University of Agriculture in Krakow</organization>
          <person_name contributor_role="author" sequence="first">
            <given_name>Jarosław</given_name>
            <surname>Bielan</surname>
          </person_name>
          <person_name contributor_role="author" sequence="additional">
            <given_name>Dorota</given_name>
            <surname>Haliniak</surname>
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        <publication_date>
          <month>12</month>
          <day>30</day>
          <year>2012</year>
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        <pages>
          <first_page>5</first_page>
          <last_page>17</last_page>
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        <doi_data>
          <doi></doi>
          <resource>https://www.forestry.actapol.net/pub/1_4_2012.pdf</resource>
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      <journal_article publication_type="full_text">
        <titles>
          <title>Mathematical modeling of Scots pine (Pinus silvestris) growth process</title>
        </titles>
        <contributors>
          <organization contributor_role="author" sequence="first">.University of Live Sciences in Lublin</organization>
          <organization contributor_role="author" sequence="additional">.AGH University of Science and Technology in Cracow</organization>
          <person_name contributor_role="author" sequence="first">
            <given_name>Paweł Artur</given_name>
            <surname>Kluza</surname>
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          <person_name contributor_role="author" sequence="additional">
            <given_name>Bogdan</given_name>
            <surname>Choczewski</surname>
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          <month>12</month>
          <day>30</day>
          <year>2012</year>
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          <first_page>19</first_page>
          <last_page>26</last_page>
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          <doi></doi>
          <resource>https://www.forestry.actapol.net/pub/2_4_2012.pdf</resource>
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      <journal_article publication_type="full_text">
        <titles>
          <title>Efficiency of energy wood chip production from forest biomass</title>
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        <contributors>
          <organization contributor_role="author" sequence="first">Warsaw University of Life Sciences &amp;#; SGGW</organization>
          <person_name contributor_role="author" sequence="first">
            <given_name>Tadeusz</given_name>
            <surname>Moskalik</surname>
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          <person_name contributor_role="author" sequence="additional">
            <given_name>Magda</given_name>
            <surname>Borkowska</surname>
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            <given_name>Jarosław</given_name>
            <surname>Sadowski</surname>
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          <person_name contributor_role="author" sequence="additional">
            <given_name>Dariusz</given_name>
            <surname>Zastocki</surname>
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        <publication_date>
          <month>12</month>
          <day>30</day>
          <year>2012</year>
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        <pages>
          <first_page>27</first_page>
          <last_page>36</last_page>
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        <doi_data>
          <doi></doi>
          <resource>https://www.forestry.actapol.net/pub/3_4_2012.pdf</resource>
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      <journal_article publication_type="full_text">
        <titles>
          <title>Basic parameters of timber harvesting processes in mountain beech stands in Komańcza Forest Inspectorate</title>
        </titles>
        <contributors>
          <organization contributor_role="author" sequence="first">Warsaw University of Life Sciences &amp;#; SGGW</organization>
          <person_name contributor_role="author" sequence="first">
            <given_name>Jarosław</given_name>
            <surname>Sadowski</surname>
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          <person_name contributor_role="author" sequence="additional">
            <given_name>Tadeusz</given_name>
            <surname>Moskalik</surname>
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          <person_name contributor_role="author" sequence="additional">
            <given_name>Dariusz</given_name>
            <surname>Zastocki</surname>
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          <month>12</month>
          <day>30</day>
          <year>2012</year>
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        <pages>
          <first_page>37</first_page>
          <last_page>44</last_page>
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          <doi></doi>
          <resource>https://www.forestry.actapol.net/pub/4_4_2012.pdf</resource>
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      <journal_article publication_type="full_text">
        <titles>
          <title>Technical and technological progress in Polish forest nurseries</title>
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        <contributors>
          <organization contributor_role="author" sequence="first">University of Agriculture in Krakow</organization>
          <person_name contributor_role="author" sequence="first">
            <given_name>Józef</given_name>
            <surname>Walczyk</surname>
          </person_name>
          <person_name contributor_role="author" sequence="additional">
            <given_name>Paweł</given_name>
            <surname>Tylek</surname>
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        <publication_date>
          <month>12</month>
          <day>30</day>
          <year>2012</year>
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        <pages>
          <first_page>45</first_page>
          <last_page>55</last_page>
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        <doi_data>
          <doi></doi>
          <resource>https://www.forestry.actapol.net/pub/5_4_2012.pdf</resource>
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      <journal_article publication_type="full_text">
        <titles>
          <title>Selected aspects of energetic utilization of willow biomass</title>
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        <contributors>
          <organization contributor_role="author" sequence="first">Warsaw University of Life Sciences &amp;#; SGGW</organization>
          <person_name contributor_role="author" sequence="first">
            <given_name>Dariusz</given_name>
            <surname>Zastocki</surname>
          </person_name>
          <person_name contributor_role="author" sequence="additional">
            <given_name>Tadeusz</given_name>
            <surname>Moskalik</surname>
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          <person_name contributor_role="author" sequence="additional">
            <given_name>Jarosław</given_name>
            <surname>Sadowski</surname>
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          <person_name contributor_role="author" sequence="additional">
            <given_name>Wojciech</given_name>
            <surname>Fortuna</surname>
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        <publication_date>
          <month>12</month>
          <day>30</day>
          <year>2012</year>
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        <pages>
          <first_page>57</first_page>
          <last_page>66</last_page>
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        <doi_data>
          <doi></doi>
          <resource>https://www.forestry.actapol.net/pub/6_4_2012.pdf</resource>
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      <journal_article publication_type="full_text">
        <titles>
          <title>The structure and distribution  of harvesters and forwarders in individual Regional Directorates of the State Forests in Poland in the early 2010&amp;#8217;s</title>
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        <contributors>
          <organization contributor_role="author" sequence="first">.Linde Material Handling Polska in Wrocław</organization>
          <organization contributor_role="author" sequence="additional">.Poznań University of Life Sciences</organization>
          <person_name contributor_role="author" sequence="first">
            <given_name>Roland</given_name>
            <surname>Żabierek</surname>
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          <person_name contributor_role="author" sequence="additional">
            <given_name>Roman</given_name>
            <surname>Wojtkowiak</surname>
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        <publication_date>
          <month>12</month>
          <day>30</day>
          <year>2012</year>
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        <pages>
          <first_page>69</first_page>
          <last_page>77</last_page>
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          <doi></doi>
          <resource>https://www.forestry.actapol.net/pub/7_4_2012.pdf</resource>
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      </journal_article>
      <journal_article publication_type="full_text">
        <titles>
          <title>Operating costs of a Timberjack 1010 forwarder in a selected administrative unit of the State Forests</title>
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        <contributors>
          <organization contributor_role="author" sequence="first">.Linde Material Handling Polska in Wrocław</organization>
          <organization contributor_role="author" sequence="additional">.Poznań University of Life Sciences</organization>
          <organization contributor_role="author" sequence="additional">.Bardo Śląskie Forest Division</organization>
          <person_name contributor_role="author" sequence="first">
            <given_name>Roland</given_name>
            <surname>Żabierek</surname>
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          <person_name contributor_role="author" sequence="additional">
            <given_name>Roman</given_name>
            <surname>Wojtkowiak</surname>
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          <person_name contributor_role="author" sequence="additional">
            <given_name>Józef</given_name>
            <surname>Wojciechowski</surname>
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        <publication_date>
          <month>12</month>
          <day>30</day>
          <year>2012</year>
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        <pages>
          <first_page>79</first_page>
          <last_page>86</last_page>
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          <doi></doi>
          <resource>https://www.forestry.actapol.net/pub/8_4_2012.pdf</resource>
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