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      <record key="001" att1="001" value="LIB903128007" att2="LIB903128007">001   LIB903128007</record>
      <field key="010" subkey="">LIB903127301</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="">hamilton, richard e.</field>
      <field key="331" subkey="">natural gas and canadian policy</field>
      <field key="544" subkey="n">6639-A/II;7</field>
      <field key="596" subkey="a">149 - 169</field>
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