Improved Gravity Field of the Moon from Lunar Prospector Konopliv, A. S. ; Binder, A. B. ; Hood, L. L. ; Kucinskas, A. B. ; Sjogren, W. L. ; Williams, J. G. Abstract Publication: Science Pub Date: September 1998 DOI: 10.1126/science.281.5382.1476 Bibcode: 1998Sci...281.1476K