Harold A. Rothbart <br/><br/>
Cams :  design, dynamics and accuracy /​ 
Harold A. Rothbart. 
 - New York :  John Wiley & Sons,  1956. 
 - 350 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>ISBN000367