000 00323nam a2200121Ia 4500
005 20240722131106.0
008 240717s9999 xx 000 0 und d
041 _aeng
100 _aG.R. Chhatwal 
245 _aEncyclopaedia of Environmental Air Pollution
260 _aNew Delhi
_bAnmol Publ Pvt Ltd
_c1997
300 _a1022
999 _c46669
_d46669