1. Review of fracture toughness testing of rock;Ouchterlony;SM Arch.,1982
2. Suggested methods for determining the fracture toughness of rock;ISRM Testing Commission,1988
3. Fracture toughness of ceramics measured by a chevron-notched diametral-compression test;Shetty;J. Am. Ceram. Soc.,1985
4. Mixed-mode fracture of ceramics and diametral compression;Shetty;J. Am. Ceram. Soc.,1986
5. The third chevron-notched rock fracture specimen—the cracked chevron-notched Brazilian disc;Fowell,1990