Impact of prestel on public library reference activities 
/ Aslib, London, 1981 
 - London:   Aslib,   1981 
 - 100p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Report 
<br/><br/><label>Universal Decimal Class. No.: </label>D 027.022:025.5:681.3  / M1.1