TY - BOOK AU - Johnson,R. ED - U.S. Nuclear Regulatory Commission. TI - Resolution of the task A-11 reactor vessel materials toughness safety issue: part I-main report, part II-staff responses to public comments and appendices A and B U1 - 621.4835 RES 1982 PY - 1982/// CY - Washington DC PB - Division of Safety Technology U.S. Nuclear Regulatory Commission Office of Nuclear Reactor Regulation KW - Nuclear pressure vessels KW - Materials KW - Nuclear reactors KW - Safety measures N1 - "NUREG-0744, Vol. 1, Rev. 1" ER -