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      <record key="001" att1="001" value="LIB900961508" att2="LIB900961508">001   LIB900961508</record>
      <field key="010" subkey="">IHS100379904</field>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Aufsatz, Sammelband</field>
      <field key="090" subkey="">023</field>
      <field key="100" subkey="">dantzig, george b.</field>
      <field key="331" subkey="">application of the simplex method to a transportation problem</field>
      <field key="544" subkey="n">1455-A;23</field>
      <field key="596" subkey="a">359 - 373</field>
    </SEQUENTIAL>
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