Transkription:
Acta
Sv
Sthm
Pettersson Hans
Se: Arkiv for matematih, astronomi och fysik.
Vet. aked.
Bd 6:26. Contribuhions a la connarssance du de
gagement de ckallur al radhium. 1910
19 A: 15. The reflexion ofd-particles against atomic nuclei.
1925.
20 A: 16. The artificiel disintegration of elements. By Hans
Pettersson and Gerhard Kirch. 1927.
21.A:1. The artificial disintegration of atoms and their pack=
ing fractions. 1928.
A:2. Artificial disintegration by means of particles from
polonium. 1928.