"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" "wu2008" "JOUR" "Wu, Chaoyang; Niu, Zheng; Tang, Quan; Huang, Wenjiang" "Estimating chlorophyll content from hyperspectral vegetation indices: Modeling and validation" "Agricultural and Forest Meteorology" "" "2008" "" "" "1230-1241" "148" "8–9" "0168-1923" "http://www.sciencedirect.com/science/article/pii/S0168192308000920" "10.1016/j.agrformet.2008.03.005" "idb" "ELEC" "Henrich, V.; Krauss, G.; Götze, C.; Sandow, C." "The IndexDatabase" "" "" "2011" "2011" "Bonn" "" "" "" "" "https://www.indexdatabase.de/" ""