5Rouse JW, Hass RH, Sehell JA and Deering DW.1973. Monitor- ing vegetation systems in great plains with ERTS. Third ERTS Sym- posium, NASA SP 351,309-317.
6Duncan J, Stow D, Franklin Jet al.1993. Assessing the relation- ship between spectral vegetation indices and shrub cover in Jomada Basin, New Mexico. International Journal Remote sensing, 14 (18): 3395-3416.
8Rowan L C, Mars J C, Simpson C J. Lithologic Mapping of the Mordor, NT, Australia Ultramafic Complex by Using the Advanced Spaceborne Thermal Emission and Reflection Radiometer(ASTER)[J]. Remote Sensing of Environment, 2005, 99(1-2): 105-126.