000			00393nam a2200121Ia 4500
001			3675
008			150525s9999 xx 000 0 und d
020			_a90 6193 7515 5
100			_aLimavirta V
245			_aLakes And Water Management : Proceedings Of The 30 Years Sym Posium Of Hte Finnnish Limnological Society, Held In Helsink
250			_a0
260			_aLondon _bDr. W. Junk Publishers _c1982
999			_c32110 _d32110