København, Ejnar Munksgaard, 1954. 8vo. In the original printed wrappers. Offprint from "Det Kongelige Danske Videnskabernes Selskab", Matematisk-fysiske meddelelser, bind 28, no. 8. Very fine and clean. 19 pp.
Offprint of Kofoed-Hansen's paper on angular correlations in allowed beta transistions.
Order-nr.: 51371