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looduslik protsess, mille käigus vesikeskkond puhastub saasteainetest
self-purification of water . Limnoloogia sõnastik. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//lim/self-purification%20of%20water/1/eng (07.07.2026)