1. Value change in a global perspective;Abramson,1995
2. What Europe thinks: A study of Western European values;Ashford,1992
3. Birdsall, N., Ross, D., Sabot, R. (1994). Inequality and growth reconsidered. Paper presented at the American Economic Association, Boston.
4. Studies in public policy: Surveying the health of Russians;Bobak,1998
5. Brainerd, E. (1997). Luxembourg income study. Working Paper Series: Women in transition: Changes in gender wage differentials in Eastern Europe and the former Soviet Union. Center for the Study of Population, Poverty and Public Policy/International Networks for Studies in Technology, Environment, Alternatives, Development, Differdange, Luxembourg.