Dyson, Peter   . <br/><br/>
Understanding norton desktop for windows, version 2.0 /   Textual Documents 
Peter Dyson. 
 - 2 /   . 
 - San Francisco :   SYBEX ,   1992. 
 - NULL ;   NULL. 
<br/><br/><label>Subjects--Index Terms: </label>Software packages 
<br/><br/><label>Dewey Class. No.: </label>005.369ND  / DYS