First Name: RobertLast Name: WillisPublications: YearPublication 1979"A planning model for the management of groundwater quality" in Water Resources Research 1984"A Unified Approach to Regional Groundwater Management" in Groundwater Hydraulics 1984"An Explicit Finite Difference Model for Unconfined Aquifers" in Groundwater 1984"Optimization Model for Ground‐Water Planning" in Journal of Water Resources Planning and Management 1984"Monte Carlo Optimization for Reservoir Operation" in Water Resources Research 1985"Optimal Control of Nonlinear Groundwater Hydraulics: Theoretical Development and Numerical Experiments" in Water Resources Research 1987"Water Resources Systems Planning: Some Case Studies for India" in Eos 1988"Planning Model for Optimal Control of Saltwater Intrusion" in Journal of Water Resources Planning and Management 1989"Water Resources Management in North China Plain" in Journal of Water Resources Planning and Management 1989"Stochastic analysis of estuarine hydraulics. I: One dimensional steady flow" in Stochastic Hydrology and Hydraulics 1992"Conjunctive-Use Planning in Mad River Basin, California" in Journal of Water Resources Planning and Management 1992"Quasi-Three-Dimensional Optimization Model of Jakarta Basin" in Journal of Water Resources Planning and Management 1996"Disaggregation Modeling Process for Climatic Time Series" in Journal of Water Resources Planning and Management 2012"A Multi-Objective, Linked-Simulation-Optimization of Henry’s Saltwater Intrusion Problem using HST3D and Box’s Method" in American Journal of Undergraduate Research