000 00329nam a2200145Ia 4500
008 120812s9999 xx 000 0 und d
020 _a81-7800-084-9
041 _aEnglish
100 _aP K Trivedy,P K Goel
245 3 _aAn Introduction To Air Pollution
260 _bB S
260 _c2005
300 _a280
942 _e1
999 _c120068
_d120068