Pinty, B.; Verstraete, M. M. (1992). "GEMI: a non-linear index to monitor global vegetation from satellites". Vegetatio. 101 (1). Springer Nature: 15–20. doi:10.1007/bf00031911. ISSN0042-3106. S2CID32216977.
Rouse, J.W, Haas, R.H., Scheel, J.A., and Deering, D.W. (1974) 'Monitoring Vegetation Systems in the Great Plains with ERTS.' Proceedings, 3rd Earth Resource Technology Satellite (ERTS) Symposium, vol. 1, p. 48-62. https://ntrs.nasa.gov/citations/19740022614Archived 2023-01-31 at the Wayback Machine
earthobservatory.nasa.gov
"Measuring Vegetation". NASA Earth Observatory. 2000-08-30. Archived from the original on 2011-03-16. Retrieved 2010-11-13.
Pinty, B.; Verstraete, M. M. (1992). "GEMI: a non-linear index to monitor global vegetation from satellites". Vegetatio. 101 (1). Springer Nature: 15–20. doi:10.1007/bf00031911. ISSN0042-3106. S2CID32216977.
Rouse, J.W, Haas, R.H., Scheel, J.A., and Deering, D.W. (1974) 'Monitoring Vegetation Systems in the Great Plains with ERTS.' Proceedings, 3rd Earth Resource Technology Satellite (ERTS) Symposium, vol. 1, p. 48-62. https://ntrs.nasa.gov/citations/19740022614Archived 2023-01-31 at the Wayback Machine
"Measuring Vegetation". NASA Earth Observatory. 2000-08-30. Archived from the original on 2011-03-16. Retrieved 2010-11-13.
Pinty, B.; Verstraete, M. M. (1992). "GEMI: a non-linear index to monitor global vegetation from satellites". Vegetatio. 101 (1). Springer Nature: 15–20. doi:10.1007/bf00031911. ISSN0042-3106. S2CID32216977.