00271nam a2200121Ia 4500008004100000100001700041245004100058260001200099260001100111260000900122300000700131650001100138160226s9999    xx            000 0 und d10aSilva,E.T.J.  aProces of Setting of Portland Cement  aColombo  bIchemc  c2015  a36  aCement