000 00335nam a2200133Ia 4500
008 190829s9999 xx 000 0 und d
020 _a9788178803746
082 _a577.627
_bUME/E
100 _aUMESH NARAYAN
245 0 _aENVIRONMENTAL STUDIES
250 _a1st Ed.
260 _bRajat Publications, New Delhi
_a
_c2008
942 _cBK
999 _c13173
_d13173