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    <SEQUENTIAL>
      <record key="001" att1="001" value="LIB903486702" att2="LIB903486702">001   LIB903486702</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">9</field>
      <field key="100" subkey="b">cain, glen g. (ed.)</field>
      <field key="104" subkey="b">watts, harold w. (ed.)</field>
      <field key="108" subkey="b">haveman, robert h. (pr.)</field>
      <field key="331" subkey="">income maintenance and labor supply</field>
      <field key="335" subkey="">econometric studies</field>
      <field key="335" subkey="a">lewis, h. gregg ; to</field>
      <field key="403" subkey="">1. ed.</field>
      <field key="410" subkey="">new york, san francisco, london</field>
      <field key="412" subkey="">academic press, a subsidiary of harcourt brace jovanovich, publishers</field>
      <field key="425" subkey="">1973</field>
      <field key="433" subkey="">xxiv, 373 pp.</field>
      <field key="451" subkey="">institute for research on poverty monograph series</field>
      <field key="451" subkey="i">institute for research on poverty, university of wisconsin (ed.)</field>
      <field key="540" subkey="">0-12-154950-X</field>
      <field key="544" subkey="">7348-A</field>
    </SEQUENTIAL>
  </section>