Ottensmann, John R <br/><br/>
Quattro simplified 

 - USA:   Tab Books Inc.,   1988 
 - 292p. 
<br/><br/><label>ISBN: </label>0830631119 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer programs
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.32.06 Quattro  / M8