Psomas A, Kneubühler M, Itten K & Zimmermann NE (2011) Hyperspectral remote sensing for estimating aboveground biomass and for exploring species richness patterns of grassland habitatsInternational Journal of Remote Sensing 32(24): 90079031. http://www.wsl.ch/staff/niklaus.zimmermann/papers/IntJRemoteSens_Psomas_2011.pdf