2KILIAN J,HAALA N,ENGLICH M. Capture and Evalua- tion of Airborne Laser scanner Data [ C ] //International Archives of Photogrammetry and Remote Sensing. Vienna : [s. n. ] ,1996.
5VERROUST A, LAZARUS F. Extracting Skeletal Curves from 3D Scattered Data [ C ] //Shape Modeling Interna- tional' 99. Aizu Wakamatsu : [ s. n. ] , 1999.
