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Schippers, J.C., Verdouw, J., and Zweere, G.J., “Predicting the clogging rate of artificial recharge wells”, Aqua : journal of water supply research and technology, pp. p. 18-28: 19 fig., 1 tab., 1995.

Schippers, J.C., Drinking water in turbulent flow. Delft, The Netherlands: IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), 1993, p. 28 p.: 4 fig., 7 photogr.

Schippers, J.C., Kruithof, J.C., and Dijk, J.C. van, Abastecimiento de agua potable de agua superficial en los anos noventa, vol. no. 43. Delft, The Netherlands: Delft University of Technology, Department of Civil Engineering, 1992, p. iii, 20 p. : 26 fig.