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    <SEQUENTIAL>
      <record key="001" att1="001" value="IHS100308703" att2="IHS100308703">001   IHS100308703</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">13</field>
      <field key="200" subkey="b">national bureau of economic research (nber) (ed.)</field>
      <field key="331" subkey="">business concentration and price policy</field>
      <field key="403" subkey="">2. pr.</field>
      <field key="410" subkey="">princeton</field>
      <field key="412" subkey="">princeton university press</field>
      <field key="425" subkey="">1955</field>
      <field key="433" subkey="">vii, 511 pp.</field>
      <field key="451" subkey="">special conference series; 5</field>
      <field key="451" subkey="i">national bureau of economic research (nber) (ed.)</field>
      <field key="507" subkey="">conference ; universities-national bureau committee for economic research (sp.) ; princeton university ; 1952, june 17-19</field>
      <field key="544" subkey="">1019-A</field>
    </SEQUENTIAL>
  </section>