Mikrobiologicheskie i fiziko-khimicheskie issledovani︠i︡a pochv Kazakhstana - Uspanov, Umerbek Uspanovich; Borovskiĭ, V. M. (Vladimir Mikhaĭlovich), 1909-1984; Chulakov, Sh. A. (Trudy Instituta pochvovedeni︠i︡a (Alma-Ata, Kazakhstan) ;, 1963)