000 00576nam a2200157Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a363.7392095456
_bC397A
110 _aCentral Pollution Control Board. Ministry of Environment and Forests
245 0 _aAir quality at major traffic intersections of Delhi
260 _aDelhi
_bCPCB
_c1999
300 _aix, 81p.
440 _aNational ambient an quality monitoring
650 _aAir quality-India-Delhi; Environmental quality-India-Delhi; Traffic engineering-India-Delhi
942 _cBKS
999 _c29709
_d29709