Papers presented at the International Conference on Water Quality Modelling in the Inland Natural Environment : Bournemouth, England: 10-13 June, 1986 / organized and sponsored by BHRA, the Fluid Engineering Centre.
Agricultural nonpoint source pollution : model selection and application : contributions to a workshop held in June 1984 in Venice, Italy / edited by Aldo Giorgini [et al.] ; sponsored by National Science Foundation.
Proceedings of the Fourth Federal Interagency Sedimentation Conference : March 24-27, 1986, Las Vegas, Nevada / Subcommittee on Sedimentation, Interagency Advisory Committee on Water Data ; Agric Res Serv ... [et al.].