000 00282nam a2200109Ia 4500
008 130706s9999 xx 000 0 und d
020 _a0070414580
050 0 0 _aQD 257 .M44 1991
245 0 0 _aTheory and problems of organic chemistry
300 _ap.
942 _2lcc
_kQD 257 .M44 1991
999 _c11743
_d11743