Kawaguchi, Keizaburo Lowland rice soils in Thailand / Keizaburo Kawaguchi & Kazutake Kyuma - Kyoto : CSAS , 1969 - ix, 270p. : ill. ; 26 cm. - Report on research in Southeast Asia natural science series . Includes bibliographical references. Subjects--Topical Terms: Land--ThailandRiceSoils Dewey Class. No.: 631.4 / KAW