000 00525nam a2200217Ia 4500
003 OSt
005 20220926042135.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aU22.1, J9
100 _aUNESCO
245 0 _aAnd sone hydrology recent development
260 _c1959
650 _aHydrology
942 _hU22.1, J9
_cGB
_2CC
999 _c668962
_d668962