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  <titleInfo>
    <title>Threshold signals</title>
  </titleInfo>
  <name type="personal">
    <namePart>Lawson, James Llewellyn</namePart>
    <namePart type="date">1915-</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
    <role>
      <roleTerm type="text">1 st ed.</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Uhlenbeck, George Eugène</namePart>
    <namePart type="date">1900-1988</namePart>
    <role>
      <roleTerm type="text">joint ed.</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <genre authority="marc">bibliography</genre>
  <originInfo>
    <place>
      <placeTerm type="code" authority="marccountry">nyu</placeTerm>
    </place>
    <place>
      <placeTerm type="text">New York</placeTerm>
    </place>
    <publisher>McGraw-Hill</publisher>
    <dateIssued>1950</dateIssued>
    <edition>1st ed.</edition>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
  </language>
  <physicalDescription>
    <form authority="marcform">print</form>
    <extent>xii, 388 p. illus. 24 cm.</extent>
  </physicalDescription>
  <note type="statement of responsibility">edited by James L. Lawson [and] George E. Uhlenbeck [under the supervision of the] Office of Scientific Research and Development, National Defense Research Committee.</note>
  <note>Bibliographical footnotes.</note>
  <subject authority="lcsh">
    <topic>Radio</topic>
    <topic>Receivers and reception</topic>
  </subject>
  <subject authority="lcsh">
    <topic>Radio</topic>
    <topic>Interference</topic>
  </subject>
  <subject authority="lcsh">
    <topic>Perception</topic>
  </subject>
  <classification authority="lcc">TK6553 .L39</classification>
  <classification authority="ddc">537.127 LAT</classification>
  <identifier type="lccn">50007259</identifier>
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    <recordCreationDate encoding="marc">760109</recordCreationDate>
    <recordChangeDate encoding="iso8601">20140923115330.0</recordChangeDate>
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