1. Rodgers M. An Investigation into the Feasibility of using a Modern Gravity Gradient Instrument for Passive Aircraft Navigation and Terrain Avoidance. Air Force Institute of Technology, Ohio. 2009. 165p.
2. Krasovskiy A.A., Beloglazov I.N. and Chigin G.P. The theory of extremal correlation navigation systems. Moscow: Nauka, 1979, 448 p.
3. Beloglazov, I.N., Dzhandzhgava, G.I., and Chigin, G.P., Fundamentals of Navigation by Geophysical Fields, Moscow: Nauka, 1985, p. 327.
4. Dzhandzhgava, G.I., Gerasimov, G.I., and Avgustov, L.I., Navigation and guidance by spatial geophysical fields. Izvestiya YuFU. Tekhnicheskie nauki, 2013, Q 3 (140), p. 74–84.
5. Shcherbinin, V.V., Design of Invariant Correlation-Extremal Navigation and Guidance Systems of Aircraft, Moscow: MGTU im. N.E. Baumana, 2011, p. 220.