000 00670nam a2200229Ia 4500
003 OSt
005 20220926022257.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aX9(D24).44Q71.N8, N0
100 _aBlack Maggie
245 0 _cBlack Maggie
_aFrom handpumps to health
_b The evolution of water
260 _aNew York
_bUnited Nations Children's Fund U S A
_c1990
300 _a133p.
_ccm.
650 _aEngneering
_9232523
942 _hX9(D24).44Q71.N8, N0
_cGB
_2CC
999 _c639065
_d639065