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    <SEQUENTIAL>
      <record key="001" att1="001" value="LIB903122108" att2="LIB903122108">001   LIB903122108</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="">daellenbach, hans g.</field>
      <field key="104" subkey="a">bell, earl j.</field>
      <field key="331" subkey="">user's guide to linear programming</field>
      <field key="335" subkey="a">dantzig, george b. ; garvin, walter w. ; dedicated to</field>
      <field key="403" subkey="">1. ed.</field>
      <field key="410" subkey="">englewood cliffs, n.j.</field>
      <field key="412" subkey="">prentice-hall</field>
      <field key="425" subkey="">1970</field>
      <field key="433" subkey="">xii, 226 pp.</field>
      <field key="517" subkey="c">from the table of contents: introduction; formulation of linear programs and graphical interpretation; linear programming</field>
      <field key="sol" subkey="u">tion; more on linear programming formulations; computer solution of linear programs; duality and sensitivity analysis;</field>
      <field key="spe" subkey="c">ial types of linear programs; corporate models; the simplex method; advanced computational features of lp computer codes;</field>
      <field key="540" subkey="">0-13-939348-X</field>
      <field key="544" subkey="">6625-A</field>
    </SEQUENTIAL>
  </section>