000 | 00390nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 211224s9999 xx 000 0 und d | ||
020 | _a9788121106757 | ||
082 | _a581 NEG | ||
100 | _aNegi, S. S | ||
245 | 2 | _aA hand book of environmental science | |
260 |
_aDehra Dun: _bBishen Singh Mahendra Pal Singh, _c2008 |
||
300 | _aviii, 192 p. : ill. ; 24 cm | ||
650 | _aEnvironmental sciences | ||
999 |
_c5252 _d5252 |