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      <record key="001" att1="001" value="LIB900543103" att2="LIB900543103">001   LIB900543103</record>
      <field key="010" subkey="">IHS100011706</field>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Aufsatz, Sammelband</field>
      <field key="090" subkey="">089</field>
      <field key="100" subkey="">wolfe, p.</field>
      <field key="331" subkey="">some simplex-like non-linear programming procedures</field>
      <field key="544" subkey="n">39-A;89</field>
      <field key="596" subkey="a">297 - 299</field>
    </SEQUENTIAL>
  </section>