Buchanan, Keith M The transformation of the Chinese earth: aspects of the evaluation of the Chinese earth from earliest times to Mao Tse-tung/ by Keith Buchanan. - London: Bell, 1970. - xviii, 336 p., 32 plates. : illus., maps. ; 26 cm. Bibliography: p. 322-328. ISBN: 071351549X Subjects--Topical Terms: Physical geography--China Subjects--Geographic Terms: China--GeographyChina--Economic conditions--1949-