TY - BOOK ED - International Atomic Energy Agency. TI - Systems for reporting unusual events in nuclear power plants SN - 9201233892 U1 - 621.483 SYS 1989 PY - 1989/// CY - Vienna PB - IAEA KW - Nuclear power plants KW - Safety measures N1 - "STI/PUB/801."; Also issued in French, Russian, and Spanish ER -