1. Beloglazov, I.N., Dzhandzgava, G.I., and Chigin, G.P., Osnovy navigatsii po geofizicheskim polyam (Fundamentals of Map-Aided Navigation), Moscow: Nauka, 1985.
2. Stepanov, O.A., and Toropov, A.B., Nonlinear filtering for map-aided navigation. Part 1. An overview of algorithms, Gyroscopy and Navigation, 2015, vol. 6, no. 4, pp. 324–337.
3. Stepanov, O.A., Osnovy teorii otsenivaniya s prilozheniyami k zadacham obrabotki navigatsionnoi informatsii. Chast’ 1. Vvedenie v teoriyu otsenivaniya (Fundamentals of the Estimation Theory with Applications to the Problems of navigation Information processing. Part 1. Introduction to the Estimation Theory), Saint Petersburg: Concern CSRI Elektropribor, 2017.
4. Nygren, I., Terrain navigation for underwater vehicles, Doctoral Thesis, Stockholm: KTH (Stockholm Royal Institute of Technology), 2005.
5. Feder, H.J.S., Leonard, J.J., and Smith, C.M., Adaptive mobile robot navigation and mapping, Int. J. of Robotics Research, 1999, vol. 18, no. 7, pp. 650-668.