CumFreq, model voor cumulatieve-frequentie-analyse. Vrije download : [1]
RainOff, a rainfall-runoff model based on the concept of a nonlinear reservoir, free download from : [2]
ILRI (1995). Land drainage and soil salinity: some Mexican experiences. In: ILRI Annual Report 1995, p. 44-53. International Institute for Land Reclamation and Improvement, Wageningen (ILRI), Wageningen, The Netherlands. On line: [3]
