@article{ baret1991, author = {Baret, F. and Guyot, G.}, title = {Potentials and limits of vegetation indices for LAI and APAR assessment}, journal = {Remote Sensing of Environment}, publisher = {}, pages = {161-173}, volume = {35}, number = {2-3}, year = {1991} } @misc{ broge2000, author = {Broge, N. H. and Leblanc, E.}, title = {Comparing prediction power and stability of broadband and hyperspectral vegetation indices for estimation of green leaf area index and canopy chlorophyll density}, journal = {Remote Sensing of Environment}, publisher = {}, pages = {156-172}, volume = {76}, number = {2}, year = {2000} } @article{ he2007, author = {He, Y. and Guo, X. and Wilmshurst, J.}, title = {Comparison of different methods for measuring leaf area index in a mixed grassland}, journal = {Canadian Journal of Plant Science}, publisher = {}, pages = {803-813}, volume = {87}, number = {4}, year = {2007} } @misc{ idb, author = {Henrich, V. and Krauss, G. and Götze, C. and Sandow, C.}, title = {The IndexDatabase}, publisher = {}, address = {Bonn}, pages = {}, volume = {}, number = {}, year = {2011} }