000 00443nam a2200145Ia 4500
008 190521s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a628.162
_bK39W
110 _aKerala State Pollution Control Board
245 0 _aWater and air quality directory 2009
260 _aThiruvananthapuram
_bKerala State Pollution Control Board
_c2010
300 _a288p.
650 _aWATER QUALITY; AIR QUALITY
942 _cBKS
999 _c83175
_d83175