@mastersthesis{TUW-201756, author = {Paulik, Christoph}, title = {Validation and Improvement of the Freeze/Thaw detection Algorithm from ASCAT Data}, school = {Institut f{\"u}r Photogrammetrie und Fernerkundung}, year = {2011}, url = {http://publik.tuwien.ac.at/files/PubDat_201756.pdf} }