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  • × year_i:[1980 TO 1990}
  • × type_ss:"m"
  1. Comaroni, J.P.: Book numbers : a historical study and practical guide to their use (1981) 6.74 
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  2. Lehnus, D.J.: Book numbers : history, principles and applications (1980) 6.74 
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  3. Miksa, F.L.: ¬The development of classification at the Library of Congress (1984) 6.74 
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