I. A. Zbarskaya
Interstate Statistical Committee of the Commonwealth of Independent States
Russian Federation

Irina A. Zbarskaya - Cand. Sci. (Sociol.), Chief, Department of Social and Demographic Statistics 

39, Myasnitskaya Str., Build.1, Moscow, 107450

G. G. Selishcheva
Interstate Statistical Committee of the Commonwealth of Independent States
Russian Federation

Galina G. Selishcheva - Consultant, Division of Population and Labour Statistics, Department of Social and Demographic Statistics 

39, Myasnitskaya Str., Build.1, Moscow, 107450