Singh, Vijai P. . Elementary Hydrology / Textual Documents Vijai P. Singh. - 1st ed. / - New Delhi : Prentice-Hall of India(Pvt Ltd) , 1994. - xviii, 973p. : ill. ; 24cm . Index ISBN: 81-203-0883-2 Subjects--Index Terms: Geology-Hydrology Hydrology PG-Geology Dewey Class. No.: 551.48 / Si 61 El