DIN CEN/TS 14425-5 Advanced technical ceramics - Test methods for determination of fracture toughness of monolitic ceramics - Part 5: Single-edge vee-notch beam (SEVNB) method; German version CEN/TS 14425-5:2004
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/2004