@book{18790,
	author = {Alva, C. A. and Instituto Internacional de Rescate y Mejoramiento Técnico de Tierras.},
	title = {Problemas de drenaje y salinidad en la costa peruana},
	publisher = {International Institute for Land Reclamation and Improvement,},
	year = {1976},
	series = {Bulletin},
	address = {Wageningen :}
}