"ID" "Type" "Author" "Title" "Publication" "Publisher" "Year" "Date" "Location" "Pages" "Volume" "Issue" "SerialNr" "URL" "DOI" "main2011" "JOUR" "Main, Russell; Cho, Moses Azong; Mathieu, Renaud; O’Kennedy, Martha M.; Ramoelo, Abel; Koch, Susan" "An investigation into robust spectral indices for leaf chlorophyll estimation" "ISPRS Journal of Photogrammetry and Remote Sensing" "" "2011" "" "" "751-761" "66" "6" "0924-2716" "http://www.sciencedirect.com/science/article/pii/S092427161100089X" "10.1016/j.isprsjprs.2011.08.001" "zarco-tejada2001" "JOUR" "Zarco-Tejada, P. J.; Miller, J. R.; Noland, T. L.; Mohammed, G. H.; Sampson, P. H. " "Scaling-up and model inversion methods with narrow-band optical indices for chlorophyll content estimation in closed forest canopies with hyperspectral data" "IEEE Transactions on Geoscience and Remote Sensing" "" "2001" "" "" "1491−1507" "39" "" "" "" "" "idb" "ELEC" "Henrich, V.; Krauss, G.; Götze, C.; Sandow, C." "The IndexDatabase" "" "" "2011" "2011" "Bonn" "" "" "" "" "https://www.indexdatabase.de/" ""