K. Hiro and  Y. Imai and  T. Sasayama,  Metal Berthelot Tubes with Windows for Observing Cavitation under Static Negative Pressure .   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2016, vol. 113(5). 976 - 979
    [viewed 16 October 2019]. Available from: https://publications.waset.org/pdf/10004640.