000 00459 a2200145 4500
082 _a620.1126
_bN213f
245 1 _aFRACTURE TOUGHNESS
_cNATIONAL SYMPOSIUM ON FRACTURE MECHANICS (1971 : UNIVERSITY OF ILLINOIS)
260 _aPhiladelphia
_bAmerican Society For Testing And Materials
_c1972
300 _av.,II
440 _aIts Special Technical Publication
_v514
650 _aFracture Mechanics
906 _h1971
964 _gCIRC
997 _aA62285 s C
999 _c463657
_d463657