@book{18773,
	author = {MacDicken, Kenneth G. and Wolf, G. V. and International Council for Research in Agroforestry.},
	title = {Standard research methods for multipurpose trees and shrubs /},
	publisher = {Winrock International,},
	year = {c1991.},
	address = {Arlington, VA, USA :},
	note = {A research study co-sponsored by the International Council for Research in Agroforestry (ICRAF) and the Winrock International Institute for Agricultural Development.}
}