@book{80422,
	author = {Workshop on Methods and Joint Impact Targets in Western and Central Africa ( and Baidu Forson, J.},
	title = {Partners in impact assessment},
	publisher = {Internacional Crops Research Institute for the Semi-Arid Tropics,},
	year = {1996.},
	address = {Andhra Pradesh, India :},
	note = {Ed. Bilingue inglés-frances}
}