J. W. Rouse, R. H. Hass, J. A. Schell and D. W. Deering, “Monitoring Vegetation Systems in the Great Plains with ERTS,” Proceedings of 3rd Earth Resource Satellite-1 Symposium, NASA SP-351, Greenbelt, 1974, pp. 310- -317.
 E. F. Lambin and D. Ehrlich, “The Surface Temperature-Vegetation Index Space for Land Cover and Land- Cover Change Analysis,” International Journal of Remote Sensing, Vol. 17, No. 17, 1996, pp. 1087-1105.
 W. C. Snyder, Z. Wan, Y. Zhang and Y. Z. Feng, “ClasSification-Based Emissivity for Land Surface Temperature Measurement from Space,” International Journal of Remote Sensing, Vol. 19, No. 14, 1998, pp. 2753-2774.
 P. Dash, F. M. Gottsche, F. S. Olesen and H. Fischer, “Land Surface Temperature and Emissivity Estimation from Passive Sensor Data: Theory and Practice Current Trends,” International Journal of Remote Sensing, Vol. 23, No. 13, 2002, pp. 2563-2594.
 van de Griend, A. A. and M. Owe, “On the Relationship Between Thermal Emissivity and the Normalized Difference Vegetation Index for Natural Surfaces,” International Journal of Remote Sensing, Vol. 14, No. 6, 1993, pp. 1119-1131.
 E. Valor and V. Caselles, “Mapping Land Surface Emissivity from NDVI: Application to European, African, and South American Areas,” Remote Sensing of Environment, Vol. 57, No. 3, 1996, pp. 167-184.
 A. K. M. Hossain, G. Easson and V. K. Boken, “Mapping Spatial Variation in Surface Moisture Using Reflective and Thermal ASTER Imagery for Southern Africa,” ASPRS 2006 Annual Conference, Reno, 1-5 May 2006.
 M. Maki, M. Ishiahra and M. Tamura, “Estimation of Leaf Water Status to Monitor the Risk of Forest Fires by Using Remotely Sensed Data,” Remote Sensing of Environment, Vol. 90, No. 3, 2004, pp. 441-450.