1. Standard test method for mode-I interlaminar fracture toughness of unidirectional fibre reinforced polymer matrix composites. ASTM Standard D 5528-94a, DCB standard, ASTM annual book of standards, 1999. Vol. 15.03: ASTM; 1999.
2. Protocols for interlaminar fracture testing of composites: European structural integrity society. Delft, Netherlands, 1993.
3. Testing methods for interlaminar fracture toughness of carbon fibre reinforced plastics, JIS K 7086: Japan Industrial Standards Group, Tokyo, Japan; 1993.
4. Mode II stress-intensity factors for cracked wood beams;Barrett;Eng. Frac. Mech.,1977
5. Prestandardization study on mode II interlaminar fracture toughness test for CFRP in Japan;Tanaka;Composites,1995