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  • × subject_ss:"Reference books"
  1. 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) 5.18 
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  2. Chalcraft, A. (Bearb.): Walford's concise guide to reference material (1992) 5.18 
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  3. ¬The reference sources handbook (1996) 5.18 
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  4. Lea, P.W.; Day, A.: Printed reference material and related information sources (1990) 5.18 
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