Designs of machine members 
Doughtie, Venton L. 
 - Fourth edition. 
 -  McGraw-Hill Book Company, Inc.  1964 
 - 520 pages. 
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<br/><br/><label>ISBN: </label>9-71081565-2 
<br/><br/><label>Dewey Class. No.: </label>621.815. Da75a 1964