000 00307nam a2200133Ia 4500
005 20260205052527.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a363.73 Si64O
100 _aSinha P C
245 0 _aOzone depletion
260 _anew delhi
_banmol
_c1998
300 _a284p.
942 _cBK
999 _c116568
_d116568