Dudley, Darle W. <br/><br/>
Handbook of practical gear design 

 - New York  Mcgrawhill  1984 
 - 65 p.  HB  24 cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Gearing
<br/><br/><label>Dewey Class. No.: </label>621.833  / DUD