1. Properties of Concrete;Neville,1995
2. How closely can we determine the water–cement ratio of hardened concrete;Neville;Mat. Struct.,2003
3. BS 1881: Part 124: 1988, Methods for Analysis of Hardened Concrete, British Standards Institution.
4. Analysis of hardened concrete;Tech. Rep.,1989
5. Concrete Petrography;St. John,1998