1. ACI 318-08 (2008). "Building Code Requirements for Structural Concrete (ACI 318-08) and Commentary" American Concrete Institute.
2. ACI 446-5 (2009) "Fracture Toughness Testing of Concrete" American Concrete Institute (in progress).
3. ASTM B 771-87 (2006) "ASTM Standard Test Method for Short Rod Fracture Toughness of Cemented Carbides (B 771-87)".
4. Determination of fracture energy, process zone longth and brittleness number from size effect, with application to rock and conerete