Abel, Peter,  1932- <br/><br/>
Structured programming in PL/I and PL/C / 
Peter Abel. 
 - Reston, Va. :  Reston Pub. Co.,  1981. 
 - 532 p. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0835971201 0835971198 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PL/I (Computer program language)<br/>PL/C (Computer program language)<br/>Structured programming