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  <titleInfo>
    <title>Irregular serials &amp; annuals</title>
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    <title>Irregular serials and annuals</title>
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  <typeOfResource>text</typeOfResource>
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    <place>
      <placeTerm type="text">New York</placeTerm>
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    <publisher>Bowker.</publisher>
    <dateIssued>1983</dateIssued>
    <dateIssued encoding="marc" point="start">1967</dateIssued>
    <dateIssued encoding="marc" point="end">1988</dateIssued>
    <issuance>continuing</issuance>
    <frequency>Annual, 1982-</frequency>
    <frequency>Irregular, 1967-72</frequency>
    <frequency>Biennial, with annual supplements, 1974/75-1980/81</frequency>
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  <physicalDescription>
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    <extent>1593 p. :</extent>
  </physicalDescription>
  <subject authority="lcsh">
    <topic>Periodicals</topic>
    <topic>Directories</topic>
  </subject>
  <classification authority="lcc">Z6941 .I78</classification>
  <classification authority="ddc">016.05 IRR</classification>
  <classification authority="nlm">Z 6941 I71</classification>
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      <title>Ulrich's plus</title>
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    <identifier type="issn">1068-0500</identifier>
    <identifier type="local">(DLC)   93644252</identifier>
    <identifier type="local">(OCoLC)18363931</identifier>
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    <titleInfo>
      <title>SciTech reference plus</title>
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    <identifier type="issn">1063-8717</identifier>
    <identifier type="local">(DLC)   92644530</identifier>
    <identifier type="local">(OCoLC)22477458</identifier>
  </relatedItem>
  <relatedItem type="constituent">
    <titleInfo>
      <title>Bowker serials bibliography supplement</title>
    </titleInfo>
    <identifier type="issn">0000-0094</identifier>
    <identifier type="local">(DLC)   72002677</identifier>
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  <identifier type="issn">0000-0043</identifier>
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