http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Air pollution and the productivity of the forest
proceedings of the symposium, the Capitol Holiday Inn, Washington, D.C., October 4 and 5, 1983
Symposium on Air Pollution and the Productivity of the Forest (1983 : Washington, D.C.)
x, 344 pages : illustrations, maps ; 28 cm.
[Donald D. Davis, editor, Amy A. Millen, editor, Leon Dochinger, editor].
Sponsored by: The Izaak Walton League of America and the Pennsylvania State University.