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1.
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New York : Ballantine Books, 1992.
English | G 310 MAC.F |
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2.
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Köln : Heymann, c1991.
German | G 22 WEL.S |
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3.
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Washington D.c. : United States Patent And Trademark Office, 1999.
English | G 111 USPTO.C |
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4.
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Ocala, Fla. : Atlantic Pub. Group, [2011]
English | G 332 CAS.Y |
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5.
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Naperville, Ill. : Sphinx Pub., [2005]
Second edition.
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6.
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Stanford, Calif. : Stanford University Press, c2009.
English | G 272 PLO.G |
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7.
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[Place of publication not identified] : [George Washington University], 2002.
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8.
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New York, N.Y. : C. Boardman, c1991.
English | G 62 LIC 1991 |
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9.
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Köln : Heymann, c2002.
German | G 22 NAC.P |
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10.
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Berkeley Heights, NJ : Enslow Publishers, c1999.
English | G 31 SOB.H |
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