000			00378nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a551.46
100			_aKnapp,B.J.
245			_aElements of geographical hydrology.
260			_aLondon _bGeorge Allen , Unvin _c1979
300			_a85
650			_aScience of the Earth.
653			_aScience of the Earth.
942			_2ddc _cBK
999			_c8630 _d8630