The software catalog :  Microcomputers  Summer 1987 / 
produced from .MENU - The International Software Database. 
 - New York:  Elsevier,  1987. 
 - 3v. ;  25 cm. 
<br/><br/> Including International Standard Program Numbers (SPN). 
<br/><br/><label>ISBN: </label>0444012621 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software--Catalog.<br/>Computer software industry--Directories.