@misc{indiciaef195ee3e6a8a,
  title = {Plant stress detection by remote measurement of fluorescence},
  author = {J. C. McFarlane and Robert D. Watson and Arnold F. Theisen and R. D. Jackson and W. L. Ehrler and P. J. Pinter and S. B. Idso and R. J. Reginato},
  year = {1980},
  doi = {10.1364/ao.19.003287},
  url = {https://pubs.usgs.gov/publication/70140583},
  note = {Source identifier: 70140583}
}