Polivka, Raymond P.  1929- <br/><br/>
APL :  the language and its usage  / 
Raymond P. Polivka, Sandra Pakin 
 - Englewood Cliffs, N.J. :  Prentice-Hall ,  1975 
 - xxiii, 579 p. ;  24 cm. 
<br/><br/>Bibliography: p. 545-569. 
<br/><br/><label>ISBN: </label>0130388858 
<br/><br/><label>Subjects--Topical Terms: </label><br/>APL (Computer program language)