@unpublished{TUW-261091, author = {Pfeifer, Norbert}, title = {Airborne and Terrestrial Laser Scanning: trends and applications}, year = {2017}, note = {invited; talk: ISPRS Working Group V/5 and Student Consortium Summer School 2017, Lages-SC, Brazil; 2017-10-02 -- 2017-10-06} }