00311nam a2200109Ia 4500008004100000082001200041082000800053245008500061245002300146260002300169300000900192231017s9999    xx            000 0 und d  a620.136  bFOL 0aEffects of Texas Fly Ash on Air: Entertainment in Concrete: Comprehensive Report 0cDr. Kevin Folliard  bDr. Kevin Folliard  c30cm