@book{13696,
	author = {Beek, Klaas Jan. and Instituto Internacional de Rescate y Mejoramiento Técnico de Tierras.},
	title = {Land evaluation for agricultural development ; some explorations of land-use systems analysis with particular reference to Latin America},
	publisher = {International Institute for Land Reclamation and Improvement,},
	year = {1978},
	series = {ILRI. Publication},
	address = {Wageningen :}
}