Noncircular gears :  design and generation / 
Faydor L. Litvin ... [et al.] 
 - Cambridge :  Cambridge University Press,  2009 
 - xv, 204 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521761703 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gearing<br/>Ellipsoid