1. Gravity Investigation for Potential Ground-water Resources in Rock County, Minnesota;Chandler,1994
2. On the Use of UAVs for Strapdown Airborne Gravimetry;Deurloo,2012
3. Simultaneous Determination of Position and Gravity from INS/DGPS;Schwarz;Wiss. Arb. Fachricht. Geod. Geoinform. Univ. Hann.,2006