@book{135023,
	author = {Symposium on the Livestock Systems Research in Nigeri'S Subhumid Zone Ilca/napri and Von Kaufmann, R.},
	title = {Livestock systems research in Nigeria'S subhumid zone proceding (actas) of the second symposium},
	publisher = {International Livestock Centre for Africa},
	year = {1986},
	address = {Addi Ababa}
}