00333nam a22001217a 450000500170000000800410001702000150005805000200007310000190009324500390011226000380015130000220018920260421143634.0260421b        |||||||| |||| 00| 0 eng d  a0471932051  aGB658.H.B7 1988  aBrassington R.  aField Hydrology/cR , Brassington   aGreat BritainbJohn & Sonsc19988  axiii, 175p.bpbk,