J. A. McLeod, A. V. Lukoyanov, È. Z. Kurmaev, L. D. Finkel’shtein, A. Moewes, “Nature of the electronic states involved in the chemical bonding and
superconductivity at high pressure in SnO”, Pis'ma v Zh. Èksper. Teoret. Fiz., 94:2 (2011), 146–150; JETP Letters, 94:2 (2011), 142–146
