000 00647nam a2200253Ia 4500
003 OSt
005 20220912151430.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a48009
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aH42270t8, L2
100 _aOpen University
245 0 _aEnvironment: Rivers and lakes
260 _aWalton
_bHall Open University
_c1972
300 _a69p.
_ccm.
650 _a Water resources
650 _aGeology
942 _hH42270t8, L2
_cTEXL
_2CC
999 _c68557
_d68557