@phdthesis{TUW-119963, author = {Vozikis, Georg}, title = {Automated Generation and Updating of Digital City Models using High-Resolution Line Scanning Systems}, school = {Institut f{\"u}r Photogrammetrie und Fernerkundung}, year = {2005}, url = {http://publik.tuwien.ac.at/files/PubDat_119963.pdf} }