1. INTRACOIN Final Report Levels 2 and 3, Model Validation and Uncertainty Analysis,1986
2. HYDROCOIN The International HYDROCOIN Project — Level 2: Model Validation,1990
3. INTRAVAL Progress Report No. 5: November 1989–April 1990,1990
4. A proposed strategy for the validation of ground-water flow and solute transport models;Davis,1990
5. Determination of the laws of flow of water through sand;Darcy,1983