1. Peshekhonov, V.G., Stepanov, O.A., et al. Sovremennye metody i sredstva izmereniya parametrov gravitatsionnogo polya Zemli (Modern Methods and Means of Measuring the Parameters of the Earth Gravity Field), Ed. Peshekhonov, V.G., Stepanov, O.A., Saint Petersburg: Concern CSRI Elektropribor, JSC, 2017.
2. Koneshov, V.N., Evstifeev, M.I., Chelpanov, I.B., and Yashnikova, O.M., Methods for determining deflections of the vertical on a moving base, Gyroscopy and Navigation, 2016, vol. 7, no. 4, pp. 326–336.
3. Grushinskii, N.P., Teoriya figury Zemli (Theory of the Earth’s Shape), Moscow: Nauka, 1976.
4. Evstifeev, M.I., The state of the art in the development of onboard gravity gradiometers, Gyroscopy and Navigation, 2017, vol. 8, no. 1, pp. 68–79.
5. Rummel, R., Yi, W., and Stummer, C., GOCE gravitational gradiometry, Journal of Geodesy, 2011, vol. 85, no. 11, article no. 777.