1. Theory and Performance for Position and Gravity Survey with an Inertial System;Huddle;Journal of Guidance and Control,1978
2. Airborne Vector Gravimetry Using Precise, Position-Aided Inertial Measurement Units;Jekeli;Bulletin Géodésique,1995
3. Gravity Vector Estimation from Integrated GPS/Strapdown IMU Data;Gleason;NAVIGATION, Journal of The Institute of Navigation,1992
4. Schröder , D. et al. A Comparative Study of Local Level and Strapdown Inertial Systems , Manuscripta Geodaetica 1988 224 48