Gelkop Y., Di Mei, F. , Frishman, S. , Garcia, Y. , L., Falsi , Perepelitsa, G. , Conti, C. , DelRe, E. , and Agranat, A.J. . 2021. “Hyperbolic Optics And Superlensing In Room-Temperature Ktn From Self-Induced K-Space Topological Transitions”. Nature Communications, 12.