Наука и жизнь #04 1965
Nauka i Zhizn Magazine
Крокодил, 1925 , № 18
Krokodil Magazine
Крокодил, 1972 , № 17
Наука и жизнь #02 2009
Valle : Book 2 of the Heku Series
T.M. Nielsen
Heku : Book 1 of the Heku Series