000 00381nam a2200169Ia 4500
001 7398
003 IN-NITTTR
005 20251114233028.0
008 251113s9999||||xx |||||||||||||| ||eng||
040 _beng
040 _cIN-NITTTR
041 _aeng
082 _a628.53 P41A
100 _aPerkins, Henry C.
245 0 _aAir pollution. /
_cPerkins, Henry C.
942 _2ddc
_cBK
999 _c10036
_d10036