000 00267nam a2200109Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aAgrawal Op 8 Avinash Agrawal
245 0 _aIit Chemistry
260 _bJaiprakash Nath &co
_c1998
300 _a1536p
942 _cREF
999 _c36526
_d36526