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<BIBLIOGRAPHY>
  <CITATION CLASS="HOFSTADTER" ID="C1">
      <AUTHOR>Hofstadter, Douglas</AUTHOR>.
      "<TITLE>How Might Analogy, the Core of Human Thinking, 
        Be Understood By Computers?</TITLE>"
      <JOURNAL>Scientific American</JOURNAL>,
      <MONTH>September</MONTH>
      <YEAR>1981</YEAR>
      <PAGES>18-30</PAGES>
  </CITATION>
  <CITATION CLASS="TURING" ID="C2">
    <AUTHOR>Turing, Alan M.</AUTHOR>
    "<TITLE>On Computable Numbers, 
      With an Application to the Entscheidungs-problem</TITLE>"
    <JOURNAL>
      Proceedings of the London Mathematical Society</JOURNAL>,
    <SERIES>Series 2</SERIES>,
    <VOLUME>42</VOLUME>
    (<YEAR>1936</YEAR>):
    <PAGES>230-65</PAGES>.
  </CITATION>
  <CITATION CLASS="TURING" ID="C3">
    <AUTHOR>Turing, Alan M.</AUTHOR>
    "<TITLE>Computing Machinery &amp; Intelligence</TITLE>"
    <JOURNAL>Mind</JOURNAL>
    <VOLUME>59</VOLUME>
    (<MONTH>October</MONTH>
    <YEAR>1950</YEAR>):
    <PAGES>433-60</PAGES>
  </CITATION>
</BIBLIOGRAPHY>