00385nam a2200181Ia 4500008004100000082000800041082000800049100001800057245004000075250000900115260001600124260000900140300001300149365000600162365000600168365000600174650002300180181031s9999    xx            000 0 und d  a691  bWAT  aWatson Don A.  aConstruction Materials and Process.  a3rd.  bMcGraw Hill  c1986  aix;486p.  b0  d0  e0  aBuilding Materials