1. Besedin, P.N., Sostav i svoistva kolloidno-ilistykh fraktsii i vodoprochnykh agregatov serozemov i lugovykh pochv (Composition and Properties of Gel-Silt Fractions and Water-Proof Aggregates of Grey and Meadow Soils), Tashkent: Sredneaziat. Gos. Univ., 1954.
2. Vanyushina, A.Ya. and Travnikova, L.S., Organic-mineral interactions in soils: a review, Eurasian Soil Sci., 2003, vol. 36, no. 4, pp. 379–387.
3. Volynskii, A.L. and Bakeev, N.F., Strukturnaya samoorganizatsiya amorfnykh polimerov (Structural Self-Organization of Amorphous Polymers), Moscow: Fizmatlit, 2005.
4. Ganzha, N.F., Pochvovedenie (Soil Science), Moscow: Agrokonsalt, 2001.
5. Lobitskaya, L.V., Characteristics of organic and mineral fractions of gels in soddy-podzolic soil, chernozem, and red soil, Extended Abstract of Cand. Sci. (Agric.) Dissertation, Leningrad, 1966.