@article{ herrmann2010, author = {Herrmann, I. and Karnieli, A. and Bonfil, D. J. and Cohen, Y. and Alchanatis, V.}, title = {SWIR-based spectral indices for assessing nitrogen content in potato fields}, journal = {International Journal of Remote Sensing}, publisher = {Taylor & Francis}, pages = {5127-5143}, volume = {31}, number = {19}, year = {2010} } @misc{ idb, author = {Henrich, V. and Krauss, G. and Götze, C. and Sandow, C.}, title = {The IndexDatabase}, publisher = {}, address = {Bonn}, pages = {}, volume = {}, number = {}, year = {2011} }