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      <record key="001" att1="001" value="LIB902524100" att2="LIB902524100">001   LIB902524100</record>
      <field key="010" subkey="">LIB902523405</field>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Aufsatz, Sammelband</field>
      <field key="090" subkey="">007</field>
      <field key="100" subkey="">leontief, wassily</field>
      <field key="331" subkey="">introduction to a theory of the internal structure of functional relationships</field>
      <field key="525" subkey="">reprinted from: econometrica, 15, 4 (october 1947), pp. 361-373</field>
      <field key="544" subkey="n">5512-A;7</field>
      <field key="596" subkey="a">179 - 191</field>
    </SEQUENTIAL>
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