@book{15581,
	author = {United Nations Environment Programme. and Egan, H.},
	title = {Environmental carcinogens : selected methods of analysis, vol. 4 : some aromatic amines and azodynes in the general and industrial environment.},
	publisher = {International Agency for Research in Cancer,},
	year = {1981.},
	series = {IARC scientific publications ; no. 40).},
	address = {Lyon : }
}