Symposium in Hydrology of Deltas, Bucharest, International Association of Scientific Hydrology, United Nations Educational, Scientific and Cultural Organization, & International Hydrological Decade. (1970). Hydrology of deltas: Proceedings of the Bucharest symposium, 6-14, May 1969 = Hydrologie des deltas : actes du colloque de Bucarest, 6-14, Mai, 1969. IASH-AIHS-Unesco.

Symposium in Hydrology of Deltas, Bucharest, International Association of Scientific Hydrology, Scientific and Cultural Organization United Nations Educational, and International Hydrological Decade. Hydrology of Deltas: Proceedings of the Bucharest Symposium, 6-14, May 1969 = Hydrologie Des Deltas : Actes Du Colloque De Bucarest, 6-14, Mai, 1969. Gentbrugge, Paris: IASH-AIHS-Unesco, 1970.

Symposium in Hydrology of Deltas, Bucharest, et al. Hydrology of Deltas: Proceedings of the Bucharest Symposium, 6-14, May 1969 = Hydrologie Des Deltas : Actes Du Colloque De Bucarest, 6-14, Mai, 1969. IASH-AIHS-Unesco, 1970.