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Bibliografia nazionale italiana : 1(1958) - 36(1993) ungeteilt; 39(1996), 1-12 (gedruckte Ausg. + Diskette) (1996-)
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- 19. 3.1998 11:23:22
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Walford's guide to reference material : Vol.1: Science and technology. 1996 (1996)
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Walford's guide to reference material : Vol.3: Generalia, language and literature, the arts (1998)
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Walford's guide to reference material : Vol.1: Science and technology (1999)
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Walford's guide to reference material : Vol.2: Social and historical sciences, philosophy and religion (1998)
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Walford's guide to reference material : Vol.1: Science and technology. 1993. - Vol.2: Social and historical sciences, philosophy and religion. 1994. - Vol.3: Generalia, language and literature, the arts. 1995 (1993-95)
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