Author Гейденрейх Лев Description Heydenreich, Leo Kaninskaya tundra: With 7 fig. / Leo Heydenreich. - Arkhangelsk: Gos. publishing house. Sev. edges. Otd-tion, 1930. -83 p. : il .. - . Source of the electronic copy: PB Publisher Гос. изд-во. Сев. краев. отд-ние