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    <SEQUENTIAL>
      <record key="001" att1="001" value="LIB900262709" att2="LIB900262709">001   LIB900262709</record>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Forschungsbericht</field>
      <field key="076" subkey="">Formalwissenschaft</field>
      <field key="100" subkey="">liski, erkki p.</field>
      <field key="104" subkey="a">saario, vesa</field>
      <field key="331" subkey="">optimal bucking policy in automatic harvesting of tree stems</field>
      <field key="403" subkey="">1. ed.</field>
      <field key="410" subkey="">wien</field>
      <field key="412" subkey="">institut fuer hoehere studien</field>
      <field key="425" subkey="">1986, june</field>
      <field key="433" subkey="">11 pp.</field>
      <field key="451" subkey="">institut fuer hoehere studien; institutsarbeiten; 242</field>
      <field key="544" subkey="">IHSIA 242</field>
    </SEQUENTIAL>
  </section>