O'Donovan, Thomas M. <br/><br/>
VisiCalc made simple  [Books]. 
Thomas M. O'Donovan 
 - Chichester, West Sussex  John Wiley & Sons  1984 
 - Pages: 151 
<br/><br/><label>ISBN: </label>0471904570  0.00 
<br/><br/><label>LCCN: </label>84000680 
<br/><br/><label>Subjects--Personal Names: </label><br/>VisiCalc (Computer program)