000 00699nam a2200241Ia 4500
003 OSt
005 20220925204417.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aD85.1.N90<--N81, M1
110 _aWorld Health Organization
_9268399
245 0 _aDringking water and sanitation 1981-1990
260 _aGeneva
_bWorld Health Organization
_c1981
300 _a56p.
_ccm.
650 _aComputer Science
700 _aWorld Health Organization
_9268400
942 _hD85.1.N90<--N81, M1
_cGB
_2CC
999 _c549365
_d549365