Walsh, William W. ,  1941- <br/><br/>
Data systems--design and management / 
by William W. Walsh and Ted R. Ellison 
 - Calif :  Goodyear Pub. Co. ;  Pacific Palisades,  1975 
 - 280 p. :  ill. ;  29 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>ISBN: </label>0876202032 
<br/><br/><label>LCCN: </label>74-011740 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing<br/>System analysis<br/>System design