000 00312nam a22001217a 4500
050 _aQD 476
_b.N67
100 _aNorman R.O.C
245 _aElectrophilic substitution in benzenoid compounds /
260 _aAmsterdam:
_bElsevier publishing company,
_c1965.
300 _aix,343p.
650 _xbenzene
942 _cGEN
999 _c2329
_d2329