Scientific american sept. to dec.1982 vol.247, nos. 3 to 6   
  

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 - New York    1982 
 - 0, B.v. 
<br/><br/> B   
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>Sci-ame-25