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      <record key="001" att1="001" value="LIB904159504" att2="LIB904159504">001   LIB904159504</record>
      <field key="010" subkey="">LIB904158500</field>
      <field key="037" subkey="x">deutsch</field>
      <field key="050" subkey="x">Aufsatz, Sammelband</field>
      <field key="090" subkey="">010</field>
      <field key="100" subkey="">nuscheler, franz</field>
      <field key="331" subkey="">el salvador</field>
      <field key="544" subkey="n">8517-A/III;10</field>
      <field key="596" subkey="a">179 - 195</field>
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