Doty, David B. <br/><br/>
Programmer's guide to the Hercules graphics cards / 
David B. Doty 
 - New York :  Addison-Wesley Pub.,  c1988 
 - xii, 370 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0201118858 (pbk) :  USD 24.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Expansion boards (Microcomputers)<br/>Computer graphics
<br/><br/><label>Dewey Class. No.: </label>006.686