http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Chlorinated dioxins and related compounds
impact on the environment : proceedings of a workshop held at the Istituto superiore di sanità, Rome, Italy, 22-24 October, 1980
Pergamon series on environmental science ; v. 5