Hamid Reza Nejati and  Amin Nazerigivi and  Ahmad Reza Sayadi,  Physical and Mechanical Phenomena Associated with Rock Failure in Brazilian Disc Specimens.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 133(1). 35 - 39
    [viewed 25 February 2020]. Available from: https://publications.waset.org/pdf/10008449.