Szymanski,, Robert A. <br/><br/>
Computers and information systems / 
Robert A. Szymanski, Donald P. Szymanski, Donna M. Pulschen. 
 - Englewood Cliffs, NJ :  Prentice Hall,  1994. 
 - xxviii, 623 p. :  col. ill. ;  26 cm. 
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0024187674 
<br/><br/><label>LCCN: </label>9416833  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Computer software.