Martin, E. Wainright <br/><br/>
Computers and information systems;  an introduction 
[by] E. W. Martin, Jr. [and] William C. Perkins. 
 - Homewood, Ill.,  Irwin,  1973. 
 - xviii, 635 p.  illus.  24 cm. 
 - Irwin-Dorsey information processing series .
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0256014523 
<br/><br/><label>LCCN: </label>72095392 //r903 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing.<br/>Information storage and retrieval systems.
<br/><br/><label>LC Class. No.: </label>HF5548.2  / .M339 
<br/><br/><label>Dewey Class. No.: </label>001.6/4