<marcxml:record xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:marcxml="http://www.loc.gov/MARC21/slim" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:madsrdf="http://www.loc.gov/mads/rdf/v1#" xmlns:ri="http://id.loc.gov/ontologies/RecordInfo#" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mets="http://www.loc.gov/METS/">
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	    <marcxml:controlfield tag="001">sh2007005699</marcxml:controlfield>
	    <marcxml:controlfield tag="003">DLC</marcxml:controlfield>
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      <marcxml:subfield code="a">OrCS</marcxml:subfield>
      <marcxml:subfield code="b">eng</marcxml:subfield>
      <marcxml:subfield code="c">DLC</marcxml:subfield>
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      <marcxml:subfield code="a">Gray codes</marcxml:subfield>
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      <marcxml:subfield code="a">Reflected binary codes</marcxml:subfield>
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	    <marcxml:datafield tag="450" ind1=" " ind2=" ">
      <marcxml:subfield code="a">Reflective binary codes</marcxml:subfield>
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      <marcxml:subfield code="w">g</marcxml:subfield>
      <marcxml:subfield code="a">Binary system (Mathematics)</marcxml:subfield>
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	    <marcxml:datafield tag="550" ind1=" " ind2=" ">
      <marcxml:subfield code="w">g</marcxml:subfield>
      <marcxml:subfield code="a">Coding theory</marcxml:subfield>
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	    <marcxml:datafield tag="670" ind1=" " ind2=" ">
      <marcxml:subfield code="a">Work cat.: Anantha, Madhusudhanan. Gray codes and their applications, 2007:</marcxml:subfield>
      <marcxml:subfield code="b">abstract (An n-bit Gray code is an ordered set of all 2n binary strings of length n)</marcxml:subfield>
    </marcxml:datafield>
	    <marcxml:datafield tag="670" ind1=" " ind2=" ">
      <marcxml:subfield code="a">McGraw-Hill dictionary of scientific and technical terms, 2003</marcxml:subfield>
      <marcxml:subfield code="b">(Gray code: a modified binary code in which sequential numbers are represented by expressions that differ only in one bit, to minimize errors; also known as reflective binary code)</marcxml:subfield>
    </marcxml:datafield>
	    <marcxml:datafield tag="670" ind1=" " ind2=" ">
      <marcxml:subfield code="a">Wikipedia, accessed July 19, 2007</marcxml:subfield>
      <marcxml:subfield code="b">(Gray code: The reflected binary code, also known as Gray code after Frank Gray, is a binary numeral system where two successive values differ in only one digit)</marcxml:subfield>
    </marcxml:datafield>
	    <marcxml:datafield tag="670" ind1=" " ind2=" ">
      <marcxml:subfield code="a">Doran, R.W. The Gray code, 2007</marcxml:subfield>
      <marcxml:subfield code="b">(What we now call "Gray code" was invented by Frank Gray; the term "Gray code" is sometimes used to refer to any single-distance code, that is, one in which adjacent code words (perhaps representing integers differing by 1) differ by 1 in one digit position only)</marcxml:subfield>
    </marcxml:datafield>
	    <marcxml:datafield tag="670" ind1=" " ind2=" ">
      <marcxml:subfield code="a">Spargo, J.W. A gray code to natural binary decoder, 1983.</marcxml:subfield>
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