1. Banta ER (2011) ModelMate—a graphical user interface for model analysis. US Geological Survey Techniques and Methods, Book, p 6
2. Batelaan O, De Smedt F (2007) GIS-based recharge estimation by coupling surface-subsurface water balances. J Hydrol 337:337–355
3. Batelaan O, El-Rawy M, Schneidewind U, De Becker P, Herr C (2012) Doorrekenen van maatregelen voor herstel van vochtige heidevegetaties op het Schietveld van Houthalen-Helchteren via grondwatermodellering (Scenario analysis and groundwater modeling for the rehabilitation of wet heathlands at Houthalen-Helchteren military domain). Final Rep., Brussels, Belgium
4. Calderón AP (1980) On an inverse boundary value problem. Seminar on Numerical Analysis and its Applications to Continuum Physics (Rio de Janeiro 1980), Soc Brasil Mat, 65–73, Rio de Janeiro. Also see the reprint: Calderón AP (2006) On an inverse boundary value problem. Comput Appl Math 25(2–3):133–138
5. Chavent G, Jaffré J (1986) Mathematical models and finite elements for reservoir simulation. Elsevier, North-Holland, Amsterdam