Jahr : 1991
zu den Filteroptionen- Washington, D.C. : World Bank, 1991
- Dutz, Mark A.Washington : The World Bank, 1991
- Forouton, FaezehWashington : The World Bank, 1991
- Zijp, Willem[Washington D.C. : The World Bank], 1991
- Corden, MaxWashington D.C. : The World Bank, 1991
- Faini, RiccardoWashington : The World Bank, 1991
- Hansen, BentWashington D.C. ; Oxford : The World Bank / Oxford University Press, 1991
- Schmidt-Hebbel, Klaus ; Muller, TobiasWashington : The World Bank, 1991