000 00296nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aL.Companion
245 0 _aChemical Bonding
250 _a1st Ed
260 _a-
260 _b-
260 _c0
650 _aChemical Bonding
942 _cBK
999 _c6141
_d6141