000 00530nam a22001577a 4500
003 FRI
082 _221st ed.
_aTh 363.73875
_bSIN/S
100 _aSingh, Akhilesh Kumar
245 _aA study of the status of ground level ozone-concentration at Patna
_cby Akgilesh Kumar Singh
260 _aDehradun:
_bForest Research Institute,
_c2003.
300 _a110p.: Col.; ill.
_c29cm.
502 _aThesis - (M.Sc)-Forest Research Institute, Dehradun, 2003.
653 _aOzone layer
700 _aRao, S.S., ad.
942 _2ddc
_cTH
999 _c36837
_d36837