1. Babayan, G.G., Dynamics of Some Heavy Metals and Their Migration Forms in Lake Sevan, Extended Abstract, Cand. Sci. (Geogr.) Dissertation, Rostov-on-Don: Hydrochemical Institute, 1989.
2. Vodnyi kodeks RA (Water Code of RA), Yerevan, 2002.
3. Gidrokhimicheskii byulleten’ (materialy nablyudenii za zagryaznennost’yu poverkhnostnykh vod na territorii deyatel’nosti Armyanskogo UGKS) (Hydrochemical Bulletine (Materials of Observations of Surface Water Pollution in the Operation Activity of Armenian UGKS), Yerevan, 1985.
4. Krainov, S.R., Geokhimiya redkikh elementov v podzemnykh vodakh (Geochemistry of Rare Metals in Groundwater), Moscow: Nauka, 1973.
5. Linnik, P.N. and Nabivanets, B.I., Formy migratsii tyazhelykh metallov v presnykh poverkhnostnykh vodakh (Migration Forms of Heavy Metals in Fresh Surface Waters), Leningrad: Gidrometeoizdat, 1988.