Polywka, John <br/><br/>
Programming of computer numerically controlled machines / 
John Polywka, Stanley Gabrel 
 - New York  Industrial Press  1992 
 - xi, 275p.  ill.  26cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0831130350  RM93.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine tools--Numerical control--Programming