Naidyuk, Y. G., A. Nowack, E. Ulbrich, A. Freimuth, W. Schlabitz, I. K. Yanson, і A. A. Menovsky. «Observation of Andreev Reflections and Josephson Effects in Point Contacts Between Conventional and the Heavy-Fennion Superconductor URu₂Si₂». ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, вип. 21, вип. 3, Березень 1995, с. 340-2, http://80.92.230.95/index.php/fnt/article/view/f21-0340e.