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    <SEQUENTIAL>
      <record key="001" att1="001" value="LIB903173608" att2="LIB903173608">001   LIB903173608</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">8</field>
      <field key="100" subkey="b">murray, w. (ed.)</field>
      <field key="331" subkey="">numerical methods for unconstrained optimization</field>
      <field key="403" subkey="">1. ed.</field>
      <field key="410" subkey="">london, new york</field>
      <field key="412" subkey="">academic press</field>
      <field key="425" subkey="">1972</field>
      <field key="433" subkey="">xi, 144 pp.</field>
      <field key="507" subkey="">a joint ima/npl conference ; the national physical laboratory (sp.) ; teddington, middlesex ; 1971, january 7-8</field>
      <field key="540" subkey="">0-12-512250-0</field>
      <field key="544" subkey="">6750-A</field>
    </SEQUENTIAL>
  </section>