000			00326nam a2200145Ia 4500
008			220926s9999 xx 000 0 und d
100			_aBaul S.Weelch
245		0	_aLimnology
250			_a2nd Ed
260			_aNewYork
260			_bTata McGraw-Hill Publishing Co Ltd
260			_c1952
650			_aLimnology
942			_cBK
999			_c1712 _d1712