The Library and information manager's guide to online services / 
Ryan E. Hoover with Alice H. Bahr ... [et al.]. 
 - New York :  Knowledge Industry Publications,  1980. 
 - 270 p. :  ill. ;  29 cm. 
 - Professional librarian series .
<br/><br/>Bibliography: p.263-265. 
<br/><br/><label>ISBN: </label>0914236601 0914236520  pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)--Automation.<br/>On--line bibliographic searching.