000 00363nam a2200157Ia 4500
008 170324s9999 xx 000 0 und d
082 _a574.526
100 _a"Likens, Gene E."
245 0 _aEcosystem approach to aquatic ecology
260 _b"Springer - Verlag,"
260 _c1985
365 _b0.00
700 _aJindal
700 _aS. K
942 _cBK
_01
999 _c2313
_d2313