Lopez,Victor D <br/><br/>
Free and user supported software for the IBM PC  : a resource guide for libraries and individuals 
/ Victor D Lopez, Kenneth J.Ansley 
. - London  : MC Farland&Company, inc, c1990
. - VII-216 p.  : ill.  ; 23 cm. 
<br/><br/><label>ISBN: </label>089950499X 
<br/><br/><label>Source: </label> Don du CCA 
<br/><br/><label>Universal Decimal Class. No.: </label>681.3.