000 00371nam a2200169Ia 4500
008 200204s9999 xx 000 0 und d
020 _a8123710801
082 _aJ 363.731 SES
100 _a"Seshagiri,N."
245 0 _aPollution
260 _aNew Delhi
260 _bNational Book Trust
260 _c2004
300 _a57p.
650 _aPollution
942 _cBK
999 _c51016
_d51016