Little, R. B. “Near Ambient Superconductivity by 15N As Needles in the Haystack: Lower Temperatures and Pressures for Possible ¹⁵N Enrichment in LuH₂”. European Journal of Applied Physics, vol. 5, no. 3, May 2023, pp. 1-4, doi:10.24018/ejphysics.2023.5.3.255.