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  • × subject_ss:"Reference books / Bibliography"
  1. Walford's guide to reference material : Vol.1: Science and technology (1999) 0.02 
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    Editor
    Mullay, M. u. P. Schlicke
  2. Duckett, R.J.; Walker, P.; Donnelly, C.: Know it all, find it fast : an A-Z source guide for the enquiry desk (2008) 0.01 
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