jgg     2009 29 (6):  126-129    ISSN: 0412-1961  CN: 21-1139/TG OPTION OF INTEGRAL RADIUS IN INVERSION OF SEA GRAVITY WITH INVERSE VENING-MEINESZ FORMULA Li Na ;and Zhang Chuanyin Chinese Academy of Surveying and Mapping，Beijing 10003 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null