Engel, Peter A. <br/><br/>
Impact wear of materials 

 - Amsterdam  Elsevier Science Publishers B.V.  1978 
 - 339p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Materials
<br/><br/><label>LC Class. No.: </label>TA418.34.E5