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  • × author_ss:"Boll, J.J."
  • × type_ss:"a"
  1. Boll, J.J.: From subject headings to descriptors : the hidden trend in Library of Congress Subject Headings (1981) 0.00 
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  2. Boll, J.J.: John J. Boll : my long road to the classroom (1998) 0.00 
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  3. Boll, J.J.: ¬The future of AACR2 (1990) 0.00 
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  4. Boll, J.J.: DDC classification rules : an outline history and comparison of two sets of rules (1988) 0.00 
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