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Walford's guide to reference material : Vol.3: Generalia, language and literature, the arts (1998)
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- 25. 7.2002 21:15:17
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Walford's guide to reference material : Vol.1: Science and technology (1999)
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- 25. 7.2002 21:13:51
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¬The reference sources handbook (1996)
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- 26. 7.2002 21:35:26