000 00315nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c360
040 _aET
100 _aO.P AGARWAL
245 0 _aNEW PATTERN CHEMISTRY
260 _bJ.P PUBLICATION
_aMEERUT
300 _a1011
500 _a15039
942 _cBK
999 _c21281
_d21281