Marc J. van Kreveld, Rodrigo I. Silveira. Embedding rivers in polyhedral terrains. In John Hershberger, Efi Fogel, editors, Proceedings of the 25th ACM Symposium on Computational Geometry, Aarhus, Denmark, June 8-10, 2009. pages 169-178, ACM, 2009. [doi]
Abstract is missing.