Bibliothekswesen: Datenverarbeitung B 133.98~54 

S 
u 1 1 i v a n, Catherine.-The Impact of 
Prestel on public library reference activities. 
Catherine Sullivan, David Oliver. 
[Mit Tab.J-(London):-Aslib Research &oConsultancy 
Division 1981. 2, IV, 99 s. 4 
(British Library. Research and DevelopmentReport. 5654.)