000 | 00471nam a2200181 4500 | ||
---|---|---|---|
020 |
_a _c |
||
082 | _a577.6 KHA-E | ||
100 | _aKhanna, Dev Raj | ||
245 | _aEcology and pollution of Ganga River: A Limnological study at Hardwar | ||
250 | _a | ||
260 |
_aAshish Publishing House, New Delhi _c1993 |
||
300 | _a | ||
490 | _a | ||
500 | _a | ||
590 |
_aPJ _b _c |
||
650 | _aAquatic ecology-- Fresh water ecology-- Pond ecology-- Limnology | ||
942 | _cBK | ||
999 |
_c542915 _d542915 |