Kratfel, Edward. <br/><br/>
Modern shop mathematics / 
Edward Kratfel. 
 - Reston, Va. :  Reston Pub. Co.,  1975. 
 - x, 279 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>336  336 
<br/><br/><label>ISBN: </label>0-87909-490-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shop mathematics.
<br/><br/><label>Dewey Class. No.: </label>510 / K859m