000 003450000a22001450004500
050 _a010
060 _a100
082 _a628.168 KSP
100 _aKerala state, Pollution control board
245 _aWater and air quality directory 2012
260 _aKerala state pollution control board
260 _c2013
300 _a376
942 _cBK
999 _c225725
_d225725