Gray, philip D. <br/><br/>
Smalltalk-80 :  a practical introduction / 
Philip D. Gray, Ramzan Mohamed. 
 - London :  Pitman,  1990. 
 - 252 p. :  ill. 
<br/><br/><label>ISBN: </label>0273031058 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smalltalk-80 (Computer program language)
<br/><br/><label>Dewey Class. No.: </label>005.26/G781