000			00415nam a2200145Ia 4500
008			211224s9999 xx 000 0 und d
020			_a9783540639107
082			_a577.6 HES
100			_aHessen, D. O
245		0	_aAquatic humic substances : ecology and biogeochemistry
260			_aNew York: _bSpringer, _c1998
300			_axiv, 346 p. : ill. ; 24 cm
650			_aFreshwater ecology
700			_aTranvik, L. J
999			_c21139 _d21139