Transkription:
Zeilon, Nils [Ol
Br. Fol.
An polential problems in the lhory of frid pesistance. [Ill.
8º Stockholm 1924
Mekav.
Seäven:Kungl. svenska vetenskapsakademiens handlingar. r.3.Bd.1.Nr. 1.
Acta
Stockholm