@book{3539,
	author = {De-Luca L M, Glover J, Heller J.},
	title = {Recent advances in the metabolism and function of vitamin A and their relationship to applied nutrition : a report of the  International Vitamin A Consulative  Group (IVACG).},
	publisher = {Nutrition Foundation,},
	year = {1977.},
	address = {New York : }
}