000 00302nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aWITT. J. E
245 0 _aPortland cement technology
260 _cChemical Publishing, New York
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c34963
_d34963