Transkription:
WARBURG, Elsa [Marianne
Fol.
The Swedish Ordovician and lower Silurian Lichidae. [Ill.
Aeol.
Allont.
Djul
8:o Stockholm 1939.
Se även: Kungl. Svenska vetenskapsakademiens handlingar. Ser. 3. Bd
17. N:o 4.
Acta
s
Stockholm