Belya︡ev, S. T. Collective excitations in nuclei [by] S. T. Belyaev. - New York, Gordon and Breach [c1968] - vii, 74 p. 24 cm. - Documents on modern physics . - Documents on modern physics . Bibliografía al final del volumen. Subjects--Topical Terms: EXCITACIONEXCITATION Universal Decimal Class. No.: 539.142