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2. Testing Hardened Concrete Part 13: Determination of Secant Modulus of Elasticity in Compression,2013
3. European Standard. Specification, Performance, Production and Conformity,2000
4. Standard Test Method for Measurement of Rate of Absorption of Water by Hydraulic-Cement Concretes,2013
5. Standard Test Method for Bulk Electrical Conductivity of Hardened Concrete,2012