WASET
    Dnyanesh P. Mathur and  Gregory L. Slater,  Creation and Annihilation of Spacetime Elements.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    October 2023, vol. 202(10). 144 - 148
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013269.