000 00293nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
100 _aTYAGI O D
245 0 _aTEXT BOOK OF ORGANIC REACTION MECHANISM
260 _aDELHI
_bANMOL PUB
_c1990
300 _a430
700 _aYADAV M
942 _2ddc
999 _c91481
_d91481