L. F. Rybaltchenko, P. Wyder, A. G. M. Jansen, V. M. Dmitriev, N. N. Prentslau, and W. Suski, Direct evidence for the occurrence of superconductivity in the magnetic compound YFe₄Al₈, Low Temp. Phys. 28, (2002) [Fiz. Nizk. Temp. 28, 374-377, (2002)] DOI: https://doi.org/10.1063/1.1477359.