000 00257nam a22000977a 4500
082 _a330.05 RES.M7
245 _aThe World Bank Research Observer Vol.2 No.2,1987
260 _a Washington D C
_bThe World Bank
_c 1987
300 _a234p.
942 _2ddc
_cUN&WB
999 _c743256
_d743256