Coincident detection of crop water stress, nitrogen status and canopy density using ground based multispectral data - Barnes, E.M.; Clarke, T.R.; Richards, S.E.; Colaizzi, P.D.; Haberland, J.; Kostrzewski, M.; Waller, P.; Choi, C., Riley, E.; Thompson, T.; Lascano, R.J.; Li, H.; Moran, M.S. (Proc. 5th Int. Conf. Precis Agric, 2000)

Planar domain indices: a method for measuring a quality of a single component in two-component pixels - Clarke, T. R.; Moran, M. S.; Barnes, E. M.; Pinter, P. J., Jr.; Qi, J. (Geoscience and Remote Sensing Symposium, 2001. IGARSS '01. IEEE 2001 International, 2001)

Remote Sensing Leaf Chlorophyll Content Using a Visible Band Index - Hunt Jr., E. Raymond; Daughtry, C. S. T.; Eitel, Jan U. H.; Long, D. S. (Agronomy Journal, 2011)

The IndexDatabase - Henrich, V.; Krauss, G.; Götze, C.; Sandow, C. (2011)