Ферсман А. Е. Роль Периодического закона Менделеева в современной науке / Под ред. проф. С. А. Щукарева. Л.; М., 1946. C. 10.
51
Cassebaum H., Kauffman G. The Periodic System of the Chemical Elements: The Search for Its Discover // ISIS: An International Review Devoted to the History of Science and Its Cultural Influence. [Madison], 1971. Vol. 62, 3 (Autumn), № 213. P. 314–327.
