T. Esch, C. Conrad, G. Schorcht, M. Thiel, T. Wehrmann, и S. Dech. Proceedings of the International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences (ISPRS), Part B8, Commission VIII, Beijing, China, (июля 2008)
T. Esch, C. Conrad, G. Schorcht, M. Thiel, T. Wehrmann, и S. Dech. Proceedings of the International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences (ISPRS), Part B8, Commission VIII, Beijing, China, (июля 2008)