539.1
R13 3	Radioisotopes in the physical sciences and industry [Текст] : proc. of the Conf. on the use of radioisotopes in the physical sciences and industry held by the Intern. Atomic Energy Agency, with the co-operation of the UNESCO, at Copenhagen, 6-17 sept. 1960 ; in 3 vol. — Vienna : Intern. Atomic Energy Agency, 1962. — 640 p.