000			00314 a2200109 4500
008			180709b xxu||||| |||| 00|
100			_9 William F. Royce
245			_aA Scientific Introduction, Freshwater Ecology _c William F. Royce
260			_b Academic Press _c,19th December 1984
300			_a440 p.
942			_2ddc _cBK
999			_c6567 _d6567