Basu, A.K. Ecological and resource study of the Ganga Delta in India/ A.K. Basu - Calcutta : K.P. Bagchi , 1992 - viii, 138p.: 21 cm. included index Subjects--Topical Terms: Ecologypollutionland usehuman resourceswater resourcesdeltas Subjects--Geographic Terms: Dewey Class. No.: 301.3 / BAS