000 00317nam a2200133Ia 4500
008 161018s9999 xx 000 0 und d
020 _a9788183711111
100 _aRagava Nambiar, K.
245 _aText Book Of Environmental Studies
250 _a0Ed
260 _bScitech
300 _a485p.
_bRs:300
490 _a4008
999 _c4008
_d4008