1. Stochastic parameter estimation of a steady-state groundwater flow model;Bastin,1979
2. Approches deterministe et stochastique pour l'identification de systems hydrogeologiques;Bastin,1979
3. Identification of steady-state distributed systems with space-variable parameters;Bastin,1981
4. Modelling of steady-state groundwater flow systems: deterministic and stochastic approaches;Bastin,1981