http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Recognition of air pollution injury to vegetation: a pictorial atlas
1 volume (various pagings) : color illustrations ; 30 cm.
Edited by Jay S. Jacobson [and] A. Clyde Hill.
Informative report (Air Pollution Control Association. TE-2 Agricultural Committee) ; no. 1