On the nature of the Salpausselkä ridges in Finland. Some old and new data. A review dedicated to the participants in the Swedish Geographers' Excursions in Finland in 1933.
Häftad bok.
Mycket gott skick. Helsingfors 1933. 36 s. + 7 pl. + 2 utvikbara pl. Helt oskuren. (Fennia 58:3.) [28F]
