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  • × language_ss:"e"
  • × type_ss:"b"
  • × year_i:[1980 TO 1990}
  1. Efthimiadis, E.N.; Mitev, N.N.: ¬A classified bibliography on online public access catalogues (1987) 0.15 
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  2. Efthimiadis, E.N.; Neilson, C.: ¬A classified bibliography on online public access catalogues (1989) 0.09 
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