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    <SEQUENTIAL>
      <record key="001" att1="001" value="LIB902189906" att2="LIB902189906">001   LIB902189906</record>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Buch</field>
      <field key="076" subkey="">Ökonomie</field>
      <field key="087" subkey="a">16</field>
      <field key="100" subkey="b">ruggles, nancy d. (ed.)</field>
      <field key="331" subkey="">economics</field>
      <field key="403" subkey="">1. pr.</field>
      <field key="410" subkey="">englewood cliffs, new jersey</field>
      <field key="412" subkey="">prentice-hall</field>
      <field key="425" subkey="">1970</field>
      <field key="433" subkey="">viii, 182 pp.</field>
      <field key="451" subkey="">the behavioral and social sciences survey</field>
      <field key="451" subkey="h">kaysen, carl (ed.) ; solow, robert m. (ed.) ; harberger, arnold c. (ed.) ; et al.</field>
      <field key="461" subkey="">economics panel</field>
      <field key="544" subkey="">4857-A</field>
    </SEQUENTIAL>
  </section>