00330nam a22001097a 450000500170000000800410001702000150005805000200007310000220009324500680011526000370018320260421142042.0260421b        |||||||| |||| 00| 0 eng d  a0201059223  aGB661.2.B7 1990  aRafael , L. Bras.  aHydrology: an introduction to hydrologic science/cBras , L. R.  aCanada.bAddison - Wesley c1990