@inbook {4920, title = {An Overview of ALS Technology}, booktitle = {Airborne Topographic Lidar Manual}, year = {2012}, pages = {pp. 7-97}, publisher = {American Society for Photogrammetry and Remote Sensing (ASPRS)}, organization = {American Society for Photogrammetry and Remote Sensing (ASPRS)}, chapter = {2}, address = {Bethesda, Maryland}, keywords = {airborne, laser, LIDAR, scanning, waveform}, author = {Pack, R.T. and Brooks, V. and Young, J. and Vila{\c c}a, N. and Vatslid, S. and Rindle, P. and Kurz, S. and Christopher E Parrish and Craig, R. and Smith, P.W.} }