@book{7143,
	author = {Galal, E. S. E. and Aboul-Ela, M. B. and International Symposium on the Constraints and Possibilities for Ruminant ... (1988 : Cairo, Egypt)},
	title = {Ruminant production in the dry subtropics},
	publisher = {Pudoc,},
	year = {1989},
	series = {EAAP Publication},
	address = {Wageningen :},
	note = {64-110}
}