000 00403nam a22001457a 4500
999 _c2617
_d2617
008 200312b ||||| |||| 00| 0 eng d
020 _a8173194106
100 _92211
_aSubramanian, V.
245 1 0 _aTextbook in environmental science
_cby V. Subramanian
250 _a1st ed.
260 _aNew Delhi,
_bNarosa Publishing House:
_c2002.
300 _a238p.
650 0 _aEnvironmental Science
942 _cBK