References
- Davies, J. and Kent, A.J. (2017) The Red Atlas: How the Soviet Union Secretly Mapped the World Chicago: University of Chicago Press.
- Kent, A. J., Davis, M. and Davies, J. (2019) “The Soviet Mapping of Poland - A Brief Overview” Miscellanea Geographica 23 (1) pp.5–15 DOI:10.2478/mgrsd-2018-0034.
- Watt, D. (2005) “Soviet Military Mapping” Sheetlines 74 pp.9–12.