000 00287nam a2200121Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
020 _a978817556055X
100 _aKudesia, V.P
245 0 _aAir Polution
260 _bPragati Prakashan
_aMeerut
_c1997
650 _aChemistry
942 _cBK
999 _c3148
_d3148