6CLARK J. Scratching the surface [ J ]. Quality Today, 2002,4(7) :8 -9.
7Tamas Varady, Michael A Facello, Zsoh Terek. Automatic extraction of surface structures in digital shape reconstruction[ J ]. Computer- Aided Design, 2007,39 (5) :379 -388.
8Tamas varady, Michael A Facello. New trends in digital shape reconstruction [ C ]. MARTIB R R, BEZ H, SA- BIN M (eds). The mathematics of surfaces XI, Springer,2005:395 -412.
9YU J I.IS-41 for mobility management [A].First International Conference on Universal Personal Communications (ICUPC92)[C].1992.
