000 00438nam a2200169Ia 4500
008 190302s9999||||xx |||||||||||||| ||und||
020 _c140
040 _aKharagpur College Library
082 _a301.3
_bGUH
100 _aD. N. Guha Bakshi
245 2 _aA textbook of Environmental Science
260 _bCalcutta book house
_aKolkata
_c2000
300 _a396 p.
650 _aEnvironmental Science
700 _aSubir Sen
942 _cBK
999 _c2540
_d2540