Gibbs, David. <br/><br/>
An introduction to CNC machining and programming  / 
David Gibbs. 
 - London :  Cassel,  c1987. 
 - ix, 206 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0304314129 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine-tools--Numerical control--Programming.