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  • × author_ss:"Walravens, H."
  • × language_ss:"e"
  • × type_ss:"a"
  1. Walravens, H.: ¬The International Standard Book Number and its applications (1995) 0.01 
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  2. Walravens, H.: Report on the International ISBN Advisory Panel Meeting, Stockholm, 23-24 October 1997 (1998) 0.01 
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  3. Walravens, H.: Serials librarianship in Germany : pt.1 (1995) 0.01 
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  4. Walravens, H.: ISMN: the International Standard Music Number : a new standard to rationalize the music trade (1995) 0.01 
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  5. Walravens, H.: New developments in standard numbering (1994) 0.00 
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  6. Walravens, H.: Serials cataloging in Germany : the historical development (2003) 0.00 
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  7. Walravens, H.: Serials cataloging in Germany : the historical development (2003) 0.00 
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