000 00434nam a2200157Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aIRA HG3881.W6R4
110 _aWorld Bank
_eCorporate author
245 1 4 _aThe research program of the World Bank
260 _aWashington
_b : World Bank,
_c1981.
300 _aii,64p.
_b : ill.
_c ; 28cm.
650 _aThe World Bank
650 _aResearch
942 _2lcc
_cBK
999 _c69603
_d69603