1. Barnsley, M. (1984). Effects of off-nadir view angles on the detected spectral response of vegetation canopies, International Journal of Remote Sensing, 5: 715-728.
2. Deering, D. W., and Eck, T. F. (1987), Atmospheric optical depth effects on angular anisotropy of plant canopy reflectance. Int. J. Remote Sens. 8:893–916
3. Goel, N.S. (1988). Estimation of canopy parameters for inhomogenous vegetation canopies from reflectance data.III TRIM : A model for radiative transfer in heterogeneous three-dimensional canopies. Remote Sensing of Environment 25: 255-293.
4. Huang, X., Jiao, Z., Dong, Y., Zhang, H. and Li, X. (2013). Analysis of BRDF and Albedo Retrieved by Kernel-Driven Models Using Field Measurements. IEEE Journal of Applied Earth Observations and Remote Sensing, 6(1): 149-161.
5. Jacquemoud, S. and Baret, F. (1990). PROSPECT: A model of leaf optical properties spectra. Remote Sensing of Environment, 34(2): 75-91
6. Jacquemoud, S., Verhoef, W., Baret, F., Bacour, C., Zarco-Tejada, P.J., Asner, G.P., François, C. and Ustin, S.L. (2009). PROSPECT+SAIL models: A review of use for vegetation characterization. Remote Sensing of Environment, 113: S56-S66.
7. Kimes, D.S., (1983). Dynamics of bidirectional reflectance factor distribution for vegetation canopies. Applied Optics, 22(9): 1364-1372.
8. Milton, E.J., Schaepman, M.E., Anderson, K., Kneubuhler, M. and Fox, N. (2009). Progress in field spectroscopy. Remote Sensing of Environment, 113(1): 92-109.
9. Smith, J.A. and Ranson, K.J. (1979). MRS Literature Survey of Bidirectional reflectance, ORI, Inc. Contract Report to NASA/GSFC, Greenbelt, MD.
10. Sridhar, V.N., Chaudhari, K.N., Tripathy, R., Chaurasia, S., Patel, N.K., Lunagaria, M., Guled, P. and Pandey, V. (2009). Multi-angular and temporal spectral signature study of wheat (Triticum aestivum L.) using a field goniometer, Scientific note SAC/RESA/AFEG/CMD/SN/06/2009, Space Applications Centre, Ahmedabad, p 42.