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    <SEQUENTIAL>
      <record key="001" att1="001" value="IHS101169401" att2="IHS101169401">001   IHS101169401</record>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Buch</field>
      <field key="076" subkey="">Formalwissenschaft</field>
      <field key="087" subkey="a">21</field>
      <field key="100" subkey="b">bobrow, daniel g. (ed.)</field>
      <field key="200" subkey="b">international federation for information processing (ifip) (ed.)</field>
      <field key="331" subkey="">symbol manipulation languages and techniques</field>
      <field key="335" subkey="">proceedings of the ifip working conference</field>
      <field key="403" subkey="">1. ed.</field>
      <field key="410" subkey="">amsterdam</field>
      <field key="412" subkey="">north-holland publishing company</field>
      <field key="425" subkey="">1968</field>
      <field key="433" subkey="">x, 487 pp.</field>
      <field key="507" subkey="">ifip working conference on symbol manipulation languages ; international federation for information processing, ifip technical</field>
      <field key="com" subkey="m">ittee 2, programming languages (sp.) ; pisa, italy ; 1966, september 5-9</field>
      <field key="544" subkey="">4252-A</field>
    </SEQUENTIAL>
  </section>