1. Angstrom A (1925). The albedo of various surfaces of ground. Geografiske Annales, 7: 323
2. Asner G P (1998). Biophysical and biochemical sources of variability. Remote Sens Environ, 76:173–180
3. Beckmann P, Spizzichino A (1963). The Scattering of Electromagnetic Waves from Rough Surfaces. New York: Pergamon Press
4. Ben-Dor E, Irons J R, Epema G F (1999). Soil reflectance. In: Rencz A N, ed. Remote Sensing for the Earth Sciences: Manual of Remote Sensing. New York: Wiley & Sons, 111–188
5. Betts A K, Ball J H, Baljaars A C M, Miller M J, Viterbo P (1994). Coupling Between Land-Surface, Boundary-Layer Parameterizations and Rainfall on Local and Regional Scales: Lessons from the Wet Summer of 1993. Fifth Conf. on Global Change Studies: American Meteor Soc. Nashville, 174–181