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    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-15207</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/15207</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Статьи</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Articles</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">A. Ya. Pehrna (Obituary)</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>А. Я. Пэрна (Некролог)</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Yakovlev</surname>
            <given-names>V. N.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Яковлев</surname>
              <given-names>В. Н.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Yakovlev</surname>
              <given-names>V. N.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru"> (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en"> (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="1917-12-01">
        <day>01</day>
        <month>12</month>
        <year>1917</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1926</year>
      </pub-date>
      <volume>6</volume>
      <issue>2</issue>
      <fpage>1</fpage>
      <lpage>4</lpage>
      <history>
        <date date-type="received" iso-8601-date="1917-06-20">
          <day>20</day>
          <month>06</month>
          <year>1917</year>
        </date>
        <date date-type="accepted" iso-8601-date="1917-08-21">
          <day>21</day>
          <month>08</month>
          <year>1917</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1917-12-01">
          <day>01</day>
          <month>12</month>
          <year>1917</year>
        </date>
      </history>
      <permissions>
        <copyright-statement>© V. N. Yakovlev</copyright-statement>
        <copyright-year>1917</copyright-year>
        <copyright-holder xml:lang="ru">В. Н. Яковлев</copyright-holder>
        <copyright-holder xml:lang="en">V. N. Yakovlev</copyright-holder>
        <license xlink:href="http://creativecommons.org/licenses/by/4.0">
          <license-p>CC BY 4.0</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/15207">https://pmi.spmi.ru/pmi/article/view/15207</self-uri>
      <abstract xml:lang="ru">
        <p>Александр Яковлевич Пэрна (1878 - 1916 гг.) родился в семье эстонской интеллегенции. Среднее образование А. Я. получил в 7-ой Петроградской гимназии. По окончании гимназии поступил в Петроградский Университет на естественное отделение физико - математематического факультета, каковой окончил в 1902 году, с дипломом 1-ой степени. Затем поступил в Горный Институт, который окончил первым в 1910 г. Еще студентом он принял участие в детальных геологических исследованиях на восточном склоне южного Урала. Эти работы дали ему материал для нескольких геологических и палеонтологических статей о верхнедевонских и нижнекаменноугольных отложениях Урала (см. список работ в статье).</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Alexander Yakovlevich Pehrna (1878 - 1916) was born into a family of Estonian intellectuals. A. Ya. Pehrna received his secondary education at the 7th Petrograd Gymnasium. After graduating from high school, he entered Petrograd University in the natural department of the Faculty of Physics and Mathematics, from which he graduated in 1902 with a 1st degree diploma. Then he entered the Mining Institute, which he graduated first in 1910. While still a student, he took part in detailed geological research on the eastern slope of the southern Urals. These works provided him with material for several geological and paleontological articles on the Upper Devonian and Lower Carboniferous deposits of the Urals (see list of works in the article).</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>-</kwd>
      </kwd-group>
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