Kratfel, Edward <br/><br/>
Modern shop mathematics 
Edward Kratfel 
 - Virginia:  Reston,  1975. 
 -  279p 
<br/><br/> includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0879094907 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shop Mathematics
<br/><br/><label>Dewey Class. No.: </label>512.12  / KRM