Kral,Jrvin H. <br/><br/>
Numerical control programming in APT/ 
Irvin H.Kral. 
 - Englewood Cliffs,N.J.:  Prentice-Hall,  1986. 
 - xv, 495 p.:  ill.;  25 cm. 
<br/><br/>Includes index and p.489-490 
<br/><br/><label>ISBN: </label>0136265995 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine tools--Numerical control.<br/>APT (Computer program language).