@book{58269,
	author = {Wesseling, Jans. and Instituto Internacional de Rescate y Mejoramiento Técnico de Tierras.},
	title = {Proceedings of the International Drainage Workshop. Wageningen, 1978},
	publisher = {International Institute for Land Reclamation and Improvement,},
	year = {1979},
	series = {Publication},
	address = {Wageningen :}
}