Das, Ghanshyam Hydrology and soil conservation engineering / by Ghanshyam Das. - 2nd ed. - New Delhi : PHI Private Limited, @2009. - x, 539p. : illu. ; 24cm. ISBN: 9788120335868 (PB.) Subjects--Topical Terms: Hydrology. Soil conservation. Dewey Class. No.: 631.45 / DAS/H