@book{8054,
	author = {Hesse, Bernhard Conrad.},
	title = {Coal-tar colors used in food products.},
	publisher = {Govt. print. off.,},
	year = {1912.},
	series = {U. S. Dept. of agriculture. Bureau of chemistry. Bulletin},
	address = {Washington,},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00144873117}
}