Fracture toughness 

 - London :  Iron and Steel Institute,  1969 
 - vii, 106 p. :  ill. ;  21 cm. 
 - Iron and Steel Institute  no.121 .
 - Iron and Steel Institute  no.121 .
<br/><br/><label>ISBN: </label>0900497033 
<br/><br/><label>LCCN: </label>71-458387 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fracture mechanics