000 00275nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aHarold F.Walton
245 0 _aPrinciples and chemical
260 _bPrentice hall
260 _c1966
365 _b12.00
942 _cBK
999 _c197495
_d197495