N. Bao, Cao, C. J., Fischetti, S., Pollack, J., and Zhong, Y.,
“More of the Bulk from Extremal Area Variations”,
Classical and Quantum Gravity, vol. 38, no. 4, p. 047001, 2020.
C. J. Cao, Q, X. - L., Swingle, B., and Tang, E.,
“Building Bulk Geometry from the Tensor Radon Transform”,
Journal of High Energy Physics, vol. 2020, no. 12, pp. 1-50, 2020.