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This is to certify that your paper entitled «Application of digital image correlation method for investigating mode Ifracture toughness using cracked Brazilian disk» was indexed with 11 pages, in the CIVILICA citation database, code COI:WMECH02_130, after evaluation and approval of the referees of the "The Bi-Annual International Conference on Experimental Solid Mechanics (X-Mech-2014) held in Tehran 2014.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above conference and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.