Cole, J. P. 1928- A geography of the U.S.S.R : the background to a planned economy / by J. P. Cole and F. C. German - 2nd ed. - London : Butterworths, 1970 - 324 p. illus., maps. ; 26 cm. Bibliography: p. 316-317 ISBN: 0408497513 Subjects--Topical Terms: Economic zoning--Soviet Union Subjects--Geographic Terms: Soviet Union--Economic conditions--1955 -1965