@article{ curran1989, author = {Curran, Paul J.}, title = {Remote sensing of foliar chemistry}, journal = {Remote Sensing of Environment}, publisher = {}, pages = {271-278}, volume = {30}, number = {3}, year = {1989} } @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} }