Sredn︠i︡aia Azi︠i︡a - Gerasimov, I. P. (Innokentiĭ Petrovich), 1905-; Murzaev, Ėd. M.; Ostrovskiĭ, I. M. (Prirodnye uslovi︠i︡a i estestvennye resursy SSSR., 1968)