1. J. M. Hill, L. A. Graham, R. J. Henry, D. M. Cotter, A. Ping, and P. Young, "Wide-area topographic mapping and applications using airborne light detection and ranging (LiDAR) technology," Photogramm. Eng. Remote Sens. 66, 908-914 (2000).
2. B. J. Luzum, K. C. Slatton, and R. L. Shrestha, "Identification and analysis of airborne laser swath mapping data in a novel feature space," IEEE Geosci. Remote Sens. Lett. 1, 268-271 (2004) 10.1109/LGRS.2004.832229
3. X. Liu, "Airborne LiDAR for DEM generation: some critical issues," Prog. Phys. Geog. 32, 31-49 (2008) 10.1177/0309133308089496
4. A. Baligh, M. J. Valadan Zoej, and A. Mohammadzadeh, "Bare earth extraction from airborne lidar data using different filtering methods," Proc. Commission III, ISPRS Congress Beijing 2008 6, Beijing (2008).
5. A. Kukko and J. Hyyppa, "Small-footprint laser scanning simulator for system validation, error assessment, and algorithm development," Photogramm. Eng. Remote Sens. 75, 1177-1189 (2009).