000 00265nam a2200109Ia 4500
008 220714s9999 xx 000 0 und d
020 _a9780237530037
082 _aJ 546.31 WALK
100 _aWalker, Denise
_975252
245 0 _aMetals and non-metals
942 _cBK
_y561
_zJohn Tresidder
999 _c636698
_d636697