000 00279nam a2200133Ia 4500
008 160316s1970 xxu||||| |||| 00| 0 eng d
020 _a
100 _aIash
245 _aWorld Water Balance
250 _a1ST
260 _aBELGIUM
_bUNESCO
_c1970
300 _a537
700 _a
_a
999 _c10366
_d10366