@book{14087,
	author = {Longhorn, Roger A., Victoria Henson-Apollonio  and Jeffrey W. White},
	title = {Legal issues in the Use of Geospatial Data and Tools for Agriculture and Natural Resources Management: A primer =Aspectos juridico-legals del uso de datos y herramientas geoespaciales en la agricultura y en el manejo de los recursos naturales:Manual de conceptos basicos},
	publisher = {CIMMYT},
	year = {2002},
	address = {Mexico City}
}