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      <record key="001" att1="001" value="LIB900455007" att2="LIB900455007">001   LIB900455007</record>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Buch</field>
      <field key="076" subkey="">Formalwissenschaft</field>
      <field key="100" subkey="">williams, h(ilary) p(aul)</field>
      <field key="331" subkey="">model building in mathematical programming</field>
      <field key="403" subkey="">3. ed.</field>
      <field key="410" subkey="">chichester, new york, brisbane</field>
      <field key="412" subkey="">john wiley and sons</field>
      <field key="425" subkey="">1990</field>
      <field key="433" subkey="">xiv, 356 pp.</field>
      <field key="451" subkey="">a wiley-interscience publication</field>
      <field key="517" subkey="c">from the table of contents: introduction; solving mathematical programming models; building linear programming models; structured</field>
      <field key="lin" subkey="e">ar programming models; applications and special types of mathematical programming model; interpreting and using thesolution</field>
      <field key="of" subkey="a">linear programming model; non-linear models; integer programming; building integer programming models i; building integer</field>
      <field key="pro" subkey="g">ramming models ii; the implementation of a mathematical programming system of planning; the problems; formulation and</field>
      <field key="dis" subkey="c">ussion of problems; solutions to problems;</field>
      <field key="544" subkey="">13052-A</field>
    </SEQUENTIAL>
  </section>