T. Wiltschko, and R. Schollmeyer. 6th European Congress and Exhibition on Intelligent Transport Systems and Services. Aalborg, Denmark, 18-20 Jun., (2007)
L. Balangé, L. Zhang, and V. Schwieger. Contributions to International Conferences on Engineering Surveying, page 118-127. Springer, Cham, (2021)In: Kopáčik A., Kyrinovič P., Erdélyi J., Paar R., Marendić A. (eds) Contributions to International Conferences on Engineering Surveying.
K. Frankl, H. Beckmann, J. Wang, M. Metzner, V. Schwieger, and B. Eissfeller. 29th International Technical Meeting of the Satellite Division of The Institute of Navigation ION GNSS+ 2016, Oregon Convention Center, USA, 12-16.09., page 1199-1208. (2016)