Novak, S. R. <br/><br/>
Resistance to plane stress fracture [R-curve behavior] of A572 structural steel. 

 - Philadelphia :  ASTM,  1976. 
 - 91 p. 
 - Special technical publication, no.<591> .
 - Special technical publication, no.<591> .
<br/><br/><label>Standard No.: </label>ASTM-STP-591