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    <SEQUENTIAL>
      <record key="001" att1="001" value="LIB90086350X" att2="LIB90086350X">001   LIB90086350X</record>
      <field key="010" subkey="">IHS100318708</field>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Aufsatz, Sammelband</field>
      <field key="090" subkey="">010</field>
      <field key="100" subkey="">leontief, wassily w.</field>
      <field key="331" subkey="">the use of indifference curves in the analysis of foreign trade</field>
      <field key="525" subkey="">from quarterly journal of economics, 1933</field>
      <field key="544" subkey="n">1088-A;10</field>
      <field key="596" subkey="a">229 - 238</field>
    </SEQUENTIAL>
  </section>