MacLean. Randy <br/><br/>
Encycyopedia of shareware / 
Randy MacLean. 
 - 4th ed. 
 - U.S.A. :  Windrest,  1991. 
 - 690p. :  ill. ;  23 cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>0830626697 (p) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Fundamentals
<br/><br/><label>Dewey Class. No.: </label>005  / MAE