000			00420nam a2200157Ia 4500
999			_c24241 _d24241
005			20220110140439.0
008			180712s9999 xx 000 0 und d
020			_a70691754
082			_a551.48 _bWEL _223
100			_aWELCH, Paul S.
245			_aLimnological methods _c/ [by] Paul S.Welch
260			_aNew York _bMcGraw-Hill _c1948
300			_axviii, 381 p.
500			_aIncludes appendix and index.
942			_cS