Kulbachinskii VA, Ezhikov NS, Lunin RA, Bulychev BM. Synthesis and superconductivity of organometallic fullerides M_(3–n)(NR₄)_(n)C₆₀, where M = K, Rb; R = H, D, Me, Et, Bu; n = 1, 2, . Fiz. Nizk. Temp. [інтернет]. 18, Листопад 2020 [цит. за 20, Червень 2025];47(1):46-57. доступний у: http://80.92.230.95/index.php/fnt/article/view/f47-0046e