TY  - RPRT
TI  - A research problem analysis in support of the Cooperative Forest Ecosystem Research (CFER) Program
AU  - Jeff P. Smith
AU  - Robert E. Gresswell
AU  - John P. Hayes
PY  - 1997
UR  - https://pubs.usgs.gov/publication/70194371
ID  - 70194371
ER  -