TY - GEN AU - Siewert, thomas A. ; Schmieder, A. Karl eds. ED - SYMPOSIUM ON PENDULUM IMPACT MACHINES: PROCEDURES AND SPECIMENS FOR VERIFICATION (1994 : Quebec) TI - Pendulum impact machines : procedures and specimens for verification SN - 0803120184 PY - 1995/// CY - Philadelphia PB - ASTM KW - PENDULUM KW - NOTCHED BAR-TESTING KW - IMPACT-TESTING ER -