A. Schmitt, and V. Schwieger. 7th International Conference on Engineering Surveying, Lisbon, Portugal, October 18 -20, Proceedings on INGEO 2017, (October 2017)
S. Annette, and V. Schwieger. 7th International Conference on Engineering Surveying, Lisbon, Portugal, October 18 -20, Proceedings on INGEO 2017, (October 2017)