TY  - RPRT
TI  - Air pollution effects on growth of ponderosa pine, jeffrey pine, and bigcone douglas-fir
AU  - M. Arbaugh
AU  - D. L. Peterson
AU  - P.R. Miller
PY  - 1999
DO  - 10.1007/978-1-4612-1436-6_9
UR  - https://pubs.usgs.gov/publication/70194585
ID  - 70194585
ER  -