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      <record key="###" att1="###" att2="28777" att3="01000024" recordType="u" att4="u">### 28777nM2.01000024      u</record>
      <field key="001" subfield="">0031886</field>
      <field key="004" subfield="">20130613083050</field>
      <field key="010" subfield="">0031884</field>
      <field key="030" subfield="">a|||d</field>
      <field key="050" subfield="">B</field>
      <field key="050" subfield="">a</field>
      <field key="089" subfield="">Vol. 1.</field>
      <field key="425" subfield="">1992</field>
      <field key="433" subfield="">620 S.</field>
      <field key="710" subfield="">Boston &lt;Mass., 1992&gt;</field>
      <field key="710" subfield="">Digitale Signalverarbeitung</field>
      <field key="710" subfield="f">Kongress</field>
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