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  • × type_ss:"el"
  1. Publishers' international ISBN directory plus : CD-ROM ed (1996) 9.50 
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    Editor
    International ISBN Agency
  2. Publishers' international ISBN directory plus : CD-ROM ed (1997) 9.50 
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    Editor
    International ISBN Agency
  3. Publishers' international ISBN directory plus : CD-ROM ed (1999) 9.50 
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    Editor
    International ISBN Agency