Tarkade kivi ja perpetum mobile
author
source
year of publication
pages
13, lk. 397-399; 14, lk. 432-435 : joon
subject term
notes
Kupffer, Vassili, 1890-?
language
eesti
Kupffer, V. Tarkade kivi ja perpetum mobile // Kodu (1929), 13, lk. 397-399; 14, lk. 432-435 : joon.