00290nam a2200109Ia 4500008004100000082001300041082000800054245009300062245000800155260000800163300000900171231017s9999    xx            000 0 und d  a620.1366  bACI 0aFracture Mechanics of Concrete: Concepts: Model and Determination of Material Properties 0cACI  bACI  c30cm