"ID" "Type" "Author" "Title" "Publication" "Publisher" "Year" "Date" "Location" "Pages" "Volume" "Issue" "SerialNr" "URL" "DOI" "blackburn1998" "GEN" "Blackburn, G. A." "Spectral indices for estimating photosynthetic pigment concentrations: A test using senescent tree leaves" "International Journal of Remote Sensing" "Taylor & Francis" "1998" "1998/01/01" "" "657-675" "19" "4" "0143-1161" "http://dx.doi.org/10.1080/014311698215919" "10.1080/014311698215919" "kooistra2003" "JOUR" "Kooistra, L.; Leuven, R. S. E. W.; Wehrens, R.; Nienhuis, P. H.; Buydens, L. M. C." "A comparison of methods to relate grass reflectance to soil metal contamination" "International Journal of Remote Sensing" "" "2003" "2003/01/01" "" "4995-5010" "24" "24" "0143-1161" "http://dx.doi.org/10.1080/0143116031000080769" "10.1080/0143116031000080769" "richardson2002" "JOUR" "Richardson, Andrew D.; Duigan, Shane P.; Berlyn, Graeme P." "An evaluation of noninvasive methods to estimate foliar chlorophyll content" "New Phytologist" "Blackwell Science Ltd" "2002" "" "" "185-194" "153" "1" "1469-8137" "http://dx.doi.org/10.1046/j.0028-646X.2001.00289.x" "10.1046/j.0028-646X.2001.00289.x" "idb" "ELEC" "Henrich, V.; Krauss, G.; Götze, C.; Sandow, C." "The IndexDatabase" "" "" "2011" "2011" "Bonn" "" "" "" "" "https://www.indexdatabase.de/" ""