RT Journal T1 Module Design for Map Projection Transformation Based on Object Oriented Methods A1 CHEN Yanming, WANG Jiechen, LI Li PB Tropical Geography FD 2009-01-10 YR 2009 JF Tropical Geography JO Tropical Geography VO 29 IS 1 SP 69 DO K1 LK {http://www.rddl.com.cn/EN/article/article_43746.shtml}