@article{ shibayama1999, author = {Shibayama, Michio and Salli, Arto and Häme, Tuomas and Iso-Iivari, Lasse and Heino, Saini and Alanen, Marjaana and Morinaga, Shinsuke and Inoue, Yoshio and Akiyama, Tsuyoshi}, title = {Detecting Phenophases of Subarctic Shrub Canopies by Using Automated Reflectance Measurements}, journal = {Remote Sensing of Environment}, publisher = {}, pages = {160-180}, volume = {67}, number = {2}, year = {1999} } @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} }