Criticality control in chemical and metallurgical plant Controle de la criticalite dans les installations chimiques et metallurgiques - [Paris] OECD NEA [1961] - 622 p. ill. 25 cm. Includes bibliographies. Subjects--Topical Terms: Nuclear engineering--Congresses.Nuclear fuels--Congresses. Dewey Class. No.: 621.48 SYM 1961