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  • × year_i:[1990 TO 2000}
  1. Ashton, J.: ¬The British Library Network OPAC (1994) 9.76 
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  2. Ashton, J.: Development of the British Library's OPAC 97 : the value of a user-centred approach (1998) 9.76 
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  3. Smith, N.; Ashton, J.: ¬The British Library and Z39.50 (1994) 9.76 
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  4. Ashton, J.: ONE: the final OPAC frontier (1998) 9.76 
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