TY  - BOOK
AU  - Gangloff, Richard P Wei, Robert P
TI  - Fracture machanics: prespectives and directions, twentieth symposioum
SN  - 0-8031-1250-5
U1  - 620.1126 FRA 
PY  - 1989///
CY  - USA
PB  - ASTM
ER  -