Maling, D. H. 坐标系统与地图投影,第二版,修订版 Woburn, MA: Butterworth-Heinemann, 1993.Snyder, J. P. 地图投影--工作手册。 U. S. Geological Survey Professional Paper 1395. Washington, DC: U. S. Government Printing Office, pp. 76-85, 1987.Steinhaus, H. 数学快照,第三版 New York: Dover, pp. 221-222, 1999.