The pc-sig library :   a directory of public domain and user supported software for the IBM-PC, PC Jr., and compatibles /  
Organização Richard Petersen... et. al. 
 - Sunyvale :   [s.n.],   1985. 
 - 340 p. :   il. 
<br/><br/><label>ISBN: </label>0-915835-02-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Informática.
<br/><br/><label>Dewey Class. No.: </label>001.6425