Organochlorinated contaminants in Belgian eggs from free range hens, Van Overmeire, Ilse, Hanot V., Pussemier L., Hellebosch L., and Goeyens L. , 25th International Symposium on Halogenated Environmental Organic Pollutants and POPs, 0/0/2005, Volume 67, Issue Dr.Mehran Alaee (National Water Research Institute) and Dr.Eric Reiner (Ontario Ministry of the Environment), p.1384, (2005)