00343nam a2200109Ia 4500008004100000082001100041082000800052245008000060245004200140260004200182300000900224231017s9999    xx            000 0 und d  a666.89  bSTR 0aStrength and durability of 70% ground granulated blast furnace concrete mix 0cTransportation institute and Missouri  bTransportation institute and Missouri  c30cm