V. Cameron, T. denOtter, C. Ozel, M. K. Srivastav, and M. Syzdykov, “A symmetric model of prime number placement by dual cord at the half line of the Inverse Fixed cone at 1:3 Pythagoras , in a fixed numbers matrix”, JPRM, vol. 12, no. 2, pp. 1867-1923, Aug. 2017.