http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Technical Challenges of Multipollutant Air Quality Management
edited by George M. Hidy, Jeffrey R. Brook, Kenneth L. Demerjian, Luisa T. Molina, William T. Pennell, Richard D. Scheffe.
Atmospheric Protection/Air Quality Control/Air Pollution