000 nam a22 7a 4500
999 _c782
_d782
003 OSt
005 20180630122939.0
008 180630b xxu||||| |||| 00| 0 eng d
020 _a8170243416
082 _a574.5263
_bGAU
100 _aGautam, Ashutosh
245 _aEcology and pollution of mountain waters : a case study of Bhagirathi River /
_cby Ashutosh Gautam.
260 _aNew Delhi :
_bAshish Publishing House ;
_c1990.
300 _aviii ; 209 p.,
_c21 cm.
942 _2ddc
_cBK