Book
ISBN: 0345406079
LibraryThing
Work: 48052
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Cited in the following Wikipedia pages:

  • A Calculus of Angels

    • Same as: http://purl.org/NET/book/isbn/0345406079#book
    See Also: http://xisbn.worldcat.org/webservices/xid/isbn/0345406079?method=getEditions&fl=*&format=xhtml
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