Author Егоров К.Д. Description Zoning of the USSR: Sat. materials on zoning from 1917 to 1925. Ed. K.D. Egorova. - Moscow: Planned household; Leningrad: Gosplan of the USSR, 1926. -307 s .. - . I. Egorov, K.D .. Source of the electronic copy: PB Publisher Плановое хоз-во Госплан СССР