Biblio

S. Veenstra y Alaerts, G. J., «Technology selection for pollution control», in Workshop on sustainable municipal waste water treatment systems, 12-14 November 1996, Leusden, the Netherlands, 1997, pp. P. 17-40 : 1 box, 4 fig., 11 tab.

S. Veenstra, Alaerts, G. J., Bentvelsen, M., y van Duijl, L. A., «Feasibility of anaerobic sewage treatment in sanitation strategies in developing countries», vol. no. 20. IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. ix, 130 p.: fig., photogr., tab., 1990.

J. T. Visscher y Veenstra, S., «La filtration lente sur sable : manuel d'entretien», vol. no. 1. IRC, The Hague, The Netherlands, p. viii, 72 p.: ill., 1988.

S. Veenstra y Visscher, J. T., «Slow sand filtration : manual for caretakers», vol. no. 1. IRC, The Hague, The Netherlands, p. vi, 73 p.: ill., 1985.