000 00422nam a2200157Ia 4500
008 211231s9999 xx 000 0 und d
020 _a81-7800-083-0
040 _cJayakar Knowledge Resource Centre
100 _aTrivedi , R K
245 3 _aAn introduction to air pollution
250 _a2nd
260 _bBS PUBLICATIONS
_aHyderabad
_c2005
300 _axii,284p p.
653 _aEnvironmental Science
942 _c1
999 _c300479
_d300479