Abhay Bodake and  Ping Sui and  Hafeez Syed and  Ratish Kadam,  Numerical Analysis and Experimental Validation of a Downhole Stress/Strain Measurement Tool.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 94 - 98
    [viewed 21 May 2022]. Available from: https://publications.waset.org/pdf/11450.