mark, dahmke <br/><br/>
Using concurrent  pc dos /  
mark dahmke 
 - 1st ed. 
 - New York :  DAU,  1990 
 - 144 P, :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0070150737 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Concurrent
<br/><br/><label>Dewey Class. No.: </label>005.7  / DAU