TY  - RPRT
TI  - Assessing satellite-derived start-of-season measures in the conterminous USA
AU  - Mark D. Schwartz
AU  - Bradley C. Reed
AU  - Michael A. White
PY  - 2002
DO  - 10.1002/joc.819
UR  - https://pubs.usgs.gov/publication/70159118
ID  - 70159118
ER  -