000 00297nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
082 _a620.136 W582
100 _aWHITE.G.R
245 0 _aCONCRETE TECHNOLOGY
260 _aNEW YORK
_bReinhold Publishing
_c1977
300 _a27X21
942 _cBK
_2DDC
999 _c45302
_d45302