Cusack, Paul T E. “Cusack’s Universal Space-Truss &the Egyptian Pyramids: Cusack’s Universal Space-Truss &The Egyptian Pyramids”. Asian Journal of Mathematical Sciences(AJMS) 1, no. 05 (March 10, 2018). Accessed May 6, 2024. http://ajms.in/index.php/ajms/article/view/133.