@article{fakoor_khansari_2018,  title={A New Approach for Investigation of Mode II Fracture Toughness in Orthotropic Materials},  volume={15},  ISSN={1679-7825},  url={https://doi.org/10.1590/1679-78253979},  DOI={10.1590/1679-78253979},  number={3},  journal={Latin American Journal of Solids and Structures},  publisher={Individual owner},  author={Fakoor, Mahdi and Khansari, Nabi Mehri},  year={2018},  pages={e23} }