000 00266nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a666.9
_bRIX
100 _aM R
245 0 _aChemical admixtures for concrete
260 _aLondon
_bE & F N Spon
_c1978
942 _cBK
999 _c32364
_d32364