Bohl, Marilyn <br/><br/>
Introduction to PL/I programming and PL/C 
/ by Marilyn Bohl and Arline Walter 
 - Chicago  Science Research Associates  1973 
 - vi, 280 p. : illus. ; 24 cm. 
<br/><br/><label>LCCN: </label>72-092560 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PL/I (Computer program language)