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      <record key="001" att1="001" value="LIB909553300" att2="LIB909553300">001   LIB909553300</record>
      <field key="010" subkey="">IHS100273804</field>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Aufsatz, Sammelband</field>
      <field key="090" subkey="">021</field>
      <field key="100" subkey="">Hausman, Jerry A.</field>
      <field key="104" subkey="a">Wise, David A.</field>
      <field key="331" subkey="">Attrition Bias in Experimental and Panel Data: The Gary Income Maintenance Experiment</field>
      <field key="525" subkey="">Econometrica, 47, 2, March 1979, pp. 455-473</field>
      <field key="544" subkey="n">14954-A/II;21</field>
      <field key="596" subkey="a">335 - 353</field>
    </SEQUENTIAL>
  </section>