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      <field key="010" subkey="">LIB905051701</field>
      <field key="037" subkey="x">englisch</field>
      <field key="050" subkey="x">Aufsatz, Sammelband</field>
      <field key="090" subkey="">108</field>
      <field key="100" subkey="">seitz, k.</field>
      <field key="103" subkey="">technical university of budapest, hungary</field>
      <field key="331" subkey="">a new lattice theoretical method in the system research</field>
      <field key="544" subkey="n">9900-A/V;108</field>
      <field key="596" subkey="a">2710 - 2712</field>
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