Roberts, George A <br/><br/>
Tool steels 

 - Ohio  American society for metals  1980 
 - 820p. 
<br/><br/><label>ISBN: </label>0871700964 
<br/><br/><label>Subjects--Index Terms: </label>Tool - steel 
<br/><br/><label>Universal Decimal Class. No.: </label>621.9   / ROB