TY  - RPRT
TI  - Plant stress detection by remote measurement of fluorescence
AU  - J. C. McFarlane
AU  - Robert D. Watson
AU  - Arnold F. Theisen
AU  - R. D. Jackson
AU  - W. L. Ehrler
AU  - P. J. Pinter
AU  - S. B. Idso
AU  - R. J. Reginato
PY  - 1980
DO  - 10.1364/ao.19.003287
UR  - https://pubs.usgs.gov/publication/70140583
ID  - 70140583
ER  -