000 00256nam a22000977a 4500
082 _a330.05 RES.N2
245 _aThe World Bank Research Observer Vol.7 No.2,
260 _aWashington D C :
_bThe World Bank;
_c1992.
300 _a258p.
942 _2ddc
_cUN&WB
999 _c744763
_d744763