000			00302nam a2200133Ia 4500
008			220613s9999||||xx |||||||||||||| ||und||
100			_aRobert V Thomann
245		0	_aPrinciples Of Surface Water Quality
250			_a1987
260			_bHARPER & ROW
300			_a644
650			_aOther
942			_cGB
999			_c3071 _d3071