1. Bashkin, V.N., Agrogeokhimiya azota (Nitrogen Agrogeochemistry), Pushchino: ONTI NTsBI AN SSSR, 1987.
2. Garlend, Dzh.Kh.N., Nitrification in the Trent River, in Matematicheskie modeli kontrolya zagryazneniya vody (Mathematical Models of Water Quality Control), Moscow: Mir, 1981, pp. 201–228.
3. Dzhudi R.D. Jr., Improvement of Urban Water Quality by Controlling Nonpoint Pollution Sources in Denver, CO, in Vosstanovlenie i okhrana malykh rek. Teoriya i praktika (Rehabilitation and Protection of Small Rivers. Theory and Practice), Moscow: Agropromizdat, 1989.
4. Druzhinin, N.I. and Shishkin, A.I., Matematicheskoe modelirovanie i prognozirovanie zagryazneniya poverkhnostnykh vod sushi (Mathemarical Modeling and Prediction of Surface Water Pollution), Leningrad: Gidrometeoizdat, 1989.
5. Kurs fizicheskoi khimii (Course of Physical Chemistry) Gerasimov, Ya.I.., Ed., Moscow: Khimiya, 1973, vol. II.