Read, D.T. <br/><br/>
Fracture mechanics: eighteenth symposium. 

 - Philadelphia :  ASTM,  1988. 
 - 1117 p. 
 - /ASTM-STP--945/ .
 - ASTM^nAmerican society for testing and materials, Philadelphia^pUS .
 - /ASTM-STP--945/ .