@book{28144,
	author = {Consejo Internacional para Investigación en Agrosilvicultura},
	title = {Methodology for the exploration and assessment of multipurpose tree (MPT's)},
	publisher = {El Consejo,},
	year = {1980?},
	address = {Nairobi :},
	note = {considerations. -- v.6 pte. B. Understanding agroforestry systems}
}