Puri, A. N. Soils : their Physics and Chemistry / A.N. Puri ; Foreword by Firman E. Bear. - New York : Reinhold, c 1949. - xv, 550 p. : ill. ; 24 cm. Includes Index. 333 333 Subjects--Topical Terms: Physiology. Dewey Class. No.: 631.4 / P974s