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  • × author_ss:"Hartley, R.J."
  • × classification_ss:"025.04"
  1. Underwood, P.G.; Hartley, R.J.: ¬The basics of data management for information services (1993) 0.00 
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  2. Large, A.; Tedd, L.A.; Hartley, R.J.: Information seeking in the online age : principles and practice (1999) 0.00 
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