Dudley, Darle W  <br/><br/>
Practical gear design 

 - New York  Mc Graw - Hill  1954 
 - 335p. 
<br/><br/><label>Subjects--Index Terms: </label>Gear design  Machine design 
<br/><br/><label>Universal Decimal Class. No.: </label>621.906  / DUD