Spencer, Donald D. <br/><br/>
Computers :  an introduction / 
by Donald D. Spencer. 
 - Columbus, Oh. :  Merrill Publishing Co.,  1986. 
 - xxii, 348 p. : ill. 
<br/><br/><label>ISBN: </label>067520559X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.