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  • × theme_ss:"Geschichte der Klassifikationssysteme"
  • × theme_ss:"Notationen / Signaturen"
  1. Comaroni, J.P.: Book numbers : a historical study and practical guide to their use (1981) 0.00 
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  2. Lehnus, D.J.: Book numbers : history, principles and applications (1980) 0.00 
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  3. Satija, M.P.: History of book numbers (1987) 0.00 
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