000 00328nam a2200133 a 4500
003 AR-LpUBP
005 20230522201816.0
007 ta
008 080910s1975 xx g 000 0 spa d
040 _aAR-LpUBP
_bspa
_cAR-LpUBP
245 1 0 _aSalud /
_cBanco Mundial.
260 _aWashington :
_bBanco Mundial,
_c1975.
942 _aBK
999 _c285836
_d285836