Spencer, Donald D. <br/><br/>
Introduction to information processing / 
by Donald D. Spencer. 
 - 3rd ed. 
 - Columbus, Ohio :  C.E. Merrill Pub. Co.,  1981. 
 - xvi, 792 p. :  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>0675080738 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.<br/>Electronic digital computers--Programming.<br/>Programming languages (Electronic computers).