National Symposium on Fracture Mechanics.National Symposium on Fracture Mechanics(14th : 1981 : Los Angeles, Calif):Fracture mechanics : 14th symposium.V. 1,Theory and analysis.ASTM,1983.
National Symposium on Fracture Mechanics.National Symposium on Fracture Mechanics(14th : 1981 : Los Angeles, Calif.):Fracture mechanics : 14th symposium.V.2,Testing and applications.ASTM,1983.