O'Leary, Timothy J.,  1947- <br/><br/>
Computers and information systems / 
T.J. O'Leary, Brian K. Williams.- 
 - 2nd ed. 
 - Redwood City, Calif. ; Wokingham :  Benjamin/Cummings,  c1989 
 - xxix, 687 p. :  ill. (some col.) ;  27 cm 
<br/><br/> First ed. published as: Computers and information processing. c1985  Includes index 
<br/><br/><label>ISBN: </label>0805369422 
<br/><br/><label>Source: </label>B-16989 
<br/><br/><label>LCCN: </label>LC 88-26055 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing<br/>Office practice--Automation
<br/><br/><label>LC Class. No.: </label>HF5548.2  / .O44 1989 
<br/><br/><label>Dewey Class. No.: </label>658/.054