000			00275nam a2200121Ia 4500
100			_aMoore,W.G.
942			_cBK
654			_a
245			_aRivers and their work
260			_aNew York _bHutchinson educational ltd _c1968
082			_a551.483
300			_bHb _a(6),28,(2),28
999			_c401368 _d401368
041			_aeng