Ledgard, Henry F.,  1943- <br/><br/>
Programming language landscape / 
Henry Ledgard, Michael Marcotty. 
 - Palo Alto, CA :  Science Research Associates,  1981. 
 - 460 p. :  ill. ;  25 cm. 
<br/><br/>Includes index. Bibliography : p. 433-446. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming languages (Electronic computers).