9Lemmens M.Shortcomings in Spatial Documentation of Heritage Sites,Laser Scanning Technology Challenged[J].GIM International,2007:25-29.
10Nguyen H T, Fernandez Steeger T M, Wiatr T, et al. Use of terrestrial laser scanning for engineering geological applications on volcanic rock slopes-an example from Madeira island ( Portugal ) [ J ]. Natural Hazards and Earth System Sciences,2011,11 : 810 - 817.