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    <SEQUENTIAL>
      <record key="001" att1="001" value="LIB903115608" att2="LIB903115608">001   LIB903115608</record>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Buch</field>
      <field key="076" subkey="">Ökonomie</field>
      <field key="100" subkey="">allingham, michael</field>
      <field key="331" subkey="">equilibrium and disequilibrium</field>
      <field key="335" subkey="">a quantitative analysis of economic interaction</field>
      <field key="403" subkey="">1. ed.</field>
      <field key="410" subkey="">cambridge, massachusetts</field>
      <field key="412" subkey="">ballinger publishing company, a subsidiary of j.b. lippincott company</field>
      <field key="425" subkey="">1973</field>
      <field key="433" subkey="">xi, 160 pp.</field>
      <field key="517" subkey="c">from the table of contents: preface; concepts: introduction; economic models; model: observed economy; theoretical model;</field>
      <field key="est" subkey="i">mated model; analysis: partial equilibrium; general equilibrium; conclusions; appendixes;</field>
      <field key="540" subkey="">0-88410-252-1</field>
      <field key="544" subkey="">6613-A</field>
      <field key="700" subkey="b">338</field>
      <field key="700" subkey="b">production</field>
      <field key="710" subkey="">equilibrium (economics)</field>
      <field key="710" subkey="">economics -- mathematical models</field>
    </SEQUENTIAL>
  </section>