jgg     2013 33 (1):  150-152    ISSN: 0412-1961  CN: 21-1139/TG RESEARCH ON REFINEMENT OF REGIONAL QUASI-GEOID OF POYANG LAKE Peng Xiangguo; Wan Xianbin; and Wang Hailong Jiangxi Provincial Water Conservancy Planning and Designing Institute, Nanchang 330029 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null