"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" "idb" "ELEC" "Henrich, V.; Krauss, G.; Götze, C.; Sandow, C." "The IndexDatabase" "" "" "2011" "2011" "Bonn" "" "" "" "" "https://www.indexdatabase.de/" ""