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    <SEQUENTIAL>
      <record key="001" att1="001" value="LIB903681201" att2="LIB903681201">001   LIB903681201</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">11</field>
      <field key="100" subkey="b">goldfeld, stephen m. (ed.)</field>
      <field key="104" subkey="b">quandt, richard e. (ed.)</field>
      <field key="331" subkey="">studies in nonlinear estimation</field>
      <field key="403" subkey="">1. ed.</field>
      <field key="410" subkey="">cambridge, massachusetts</field>
      <field key="412" subkey="">ballinger publishing company, a subsidiary of j.b. lippincott company</field>
      <field key="425" subkey="">1976</field>
      <field key="433" subkey="">xiv, 278 pp.</field>
      <field key="517" subkey="c">from the table of contents: introduction; switching regression models; estimation of production functions; estimation of</field>
      <field key="exp" subkey="e">nditure systems; limited dependent variables;</field>
      <field key="540" subkey="">0-88410-281-5</field>
      <field key="544" subkey="">7749-A</field>
      <field key="700" subkey="b">330</field>
      <field key="700" subkey="b">economics</field>
      <field key="710" subkey="">econometrics</field>
      <field key="710" subkey="">estimation theory</field>
      <field key="710" subkey="">nonlinear theories</field>
    </SEQUENTIAL>
  </section>