@book{164151,
	author = {Snternational Symposium on the Countraints and Posibilities of Ruminant Production in the Dry Subtropics (1988: Cairo, Egypt)},
	title = {Ruminant production in the dry subtropics: contraints and potentials  /},
	publisher = {Pudoc,},
	year = {1989},
	address = {Wageningen  :}
}