1. Adamenko V.N., 1975. Climate of Big Cities (review), Obninsk, All-Union Research Institute of Hydrometeorological Information – World Data Center, USSR, 72 pp., in Russian.
2. Die Klimate der Erde;Alissow,1954
3. Böer W., 1964. Technische Meteorologie, Leipzig, B.G. Teubner Verlagsgesellschaft, GDR, in German.
4. Improved Understanding of Past Climatic Variability from Early Daily European Instrumental Sources,2002
5. Climatological Handbook of the USSR, Issue 8, Part 1 – Air temperature, 1953. Leningrad, Moscow division of Hydrometeorological service, USSR; (1971). Gor’ky, Moscow Hydrometeorological observatory, USSR, in Russian.