Fracture toughness testing at cryogenic temperatures  a symposium presented at the seventy-third annual meeting, American Society for Testing and Materials, Toronto, Ontario, Canada, 21-26 June 1970 

 - Philadelphia :  American Society for Testing and Materials,  1971 
 - 81 p. :  ill. ;  23 cm. 
 - ASTM special technical publication ;  496 .
 - ASTM special technical publication ;  496 .
<br/><br/><label>LCCN: </label>70-163001 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metals--Fracture--Congresses<br/>Metals--Testing--Congresses<br/>Metals at low temperatures--Congresses