Papers presented at the World Dredging Congress 1983 : combining WODCON X, 4th International Symposium on Dredging Technology and SEATEC IV, Singapore, 19-22 April, 1983 / organized by BHRA Fluid Engineering ; sponsored by BHRA Fluid Engineering and MarIntec SEA (Pte) Ltd., Singapore, in association with WODA ; [editors, H.S. Stephens, D.H. Goodes].