000 00324nam a2200121Ia 4500
008 250409s9999 xx 000 0 und d
020 _a978-81224-7228-8
082 _a628
_bRAO
100 _aRao, C. S
245 0 _aEnvironmertal pollution control engineesing 4/E.
260 _aVidhyanagar
_bNew Age
_c2022
365 _a450/-
999 _c260489
_d260489