TY - RPRT TI - A gravity model for crustal dynamics (GEM-L2) AU - Lerch, F. J. AU - Klosko, S. M. AU - Patel, G. B. AU - Wagner, C. A. PY - 1985 UR - https://ntrs.nasa.gov/citations/19860026545 ID - 19860026545 ER -