@phdthesis{TUW-119280, author = {Scipal, Klaus}, title = {Global Soil Moisture Retrieval from ERS Scatterometer Data}, school = {Institut f{\"u}r Photogrammetrie und Fernerkundung}, year = {2002}, url = {http://publik.tuwien.ac.at/files/PubDat_119280.pdf} }