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