Evaluation of certain food additives and contaminants : seventy-seventh report of the Joint FAO/WHO Expert Committee on Food Additives. Geneva : World Health Organization, c2013. vii, 75 s. WHO technical report series 983. Available on Internet: <http://apps.who.int/iris/bitstream/10665/98388/1/9789241209830_eng.pdf> ISBN 978-92-4-120983-0.