Proceedings [of the] XIX IAHR congress Volume 3, Subject B [Coastal hydraulic engineering] = = Comptes-rendus [du] 19ème Congrès de l'AIRH : / International association for hydraulic research, New Delhi India, 2-7 february 1981 / Association internationale de recherches hydrauliques, New Delhi Inde, 1-7 février 1981 / New Delhi : International association for hydraulic research , 1981