LEGUT, Dominik,
Martin FRIÁK and
Mojmír ŠOB. Phase stability, elasticity, and theoretical strength of polonium from first principles.
Physical Review B. USA: The American Physical Society, 2010, vol. 81, No 21, p. "nestrankovano", 19 pp. ISSN 1098-0121. Available from: https://dx.doi.org/10.1103/PhysRevB.81.214118.