@unpublished{TUW-207593, author = {Ressl, Camillo and Pfeifer, Norbert and Kager, Helmut}, title = {Comparison of ALS Strip Adjustment with and without Trajectory Data}, year = {2012}, note = {invited; talk: EuroCOW 2012, Castelldefels; 2012-02-08 -- 2012-02-10} }