000			00337nam a2200121Ia 4500
008			160306s9999 xx 000 0 und d
080			_a639.2 _bBEN-M
100			_aBennett, George W.
245			_aManagement of lakes and ponds
260			_c1971 _aNew York _bVan Nostrand Reinhold Company
300			_a 2e. xx, 375p.
942			_cBK _2udc
999			_c35524 _d35524