@book{583,
	author = {World Health Organization.},
	title = {Specifications for the identity and purity of some food colours, flavours, enhancers, thickening agents, and certain food additives.},
	publisher = {World Health Organization,},
	year = {1976.},
	series = {(WHO food additives series ; no. 7)},
	address = {Geneva : }
}