1. For Chapter 5
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4. 3. Rafiev Kh.К. Viral hepatitis E: epidemiological characteristics in the republic of Tajikistan // Ibit. - 1999. - N 4. - P. 26-29.
5. 4. Villanueva C.M., Kogevinas M., Grimalt J.O. Haloacetic acids and trihalo-methanes in fin ished drinking waters from heterogeneous sources // Water Res. - 2003. - Vol. 37. - P. 953-958.