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    <SEQUENTIAL>
      <record key="001" att1="001" value="LIB903851702" att2="LIB903851702">001   LIB903851702</record>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Buch</field>
      <field key="076" subkey="">Formalwissenschaft</field>
      <field key="087" subkey="a">12</field>
      <field key="100" subkey="b">balinski, m.l. (ed.)</field>
      <field key="104" subkey="b">hellerman, eli (ed.)</field>
      <field key="331" subkey="">computational practice in mathematical programming</field>
      <field key="403" subkey="">1. ed.</field>
      <field key="410" subkey="">amsterdam</field>
      <field key="412" subkey="">north-holland publishing company</field>
      <field key="425" subkey="">1975, december</field>
      <field key="433" subkey="">vi, 166 pp.</field>
      <field key="451" subkey="">mathematical programming studies; 4</field>
      <field key="451" subkey="h">balinski, m.l. (ed.) ; beale, e.m.l. (ed.) ; dantzig, george b. (ed.) ; et al.</field>
      <field key="544" subkey="">8007-A</field>
    </SEQUENTIAL>
  </section>