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      <record key="001" att1="001" value="LIB902989704" att2="LIB902989704">001   LIB902989704</record>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Buch</field>
      <field key="076" subkey="">Formalwissenschaft</field>
      <field key="100" subkey="">hey, john d.</field>
      <field key="331" subkey="">statistics in economics</field>
      <field key="403" subkey="">1. ed.</field>
      <field key="410" subkey="">london</field>
      <field key="412" subkey="">martin robertson and company</field>
      <field key="425" subkey="">1974</field>
      <field key="433" subkey="">x, 422 pp.</field>
      <field key="517" subkey="c">from the table of contents: introduction; data presentation; elementary probability theory; proportions; means and variances;</field>
      <field key="pro" subkey="p">erties of estimators; elementary regression analysis; further regression analysis; estimation of simultaneous models;</field>
      <field key="app" subkey="e">ndix;</field>
      <field key="540" subkey="">0-85520-056-1</field>
      <field key="544" subkey="">6360-A</field>
    </SEQUENTIAL>
  </section>