TY - BOOK AU - Richard H. Rapp AU - Fernando Sanso ED - Symposium No. 106 TI - Determination of the geoid: present and future SN - 0387974709 U1 - 525.1 23 PY - 1991/// CY - New York PB - Springer - Verlag KW - Earth (Planet) - Figure - Measurement - Congresses. KW - Gravity - Measurement - Congresses. KW - Global Positioning System - Congresses ER -