@article{Kollert2021, author = {Kollert, A. and Rutzinger, M. and Bremer, M. and Kaufmann, and K., Bork-Hueffer T.}, year = {2021}, pages = {201–208}, title = {Mapping of 3D eye-tracking in urban outdoor environments}, volume = {V-4-2021}, journal = {ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.} }