Symmetry analysis of behavior of family $R_{6}M_{23}$ compounds under hydrogeneration / W. SIKORA, A. KUNA // W: C-MAC-1 : 1\textsuperscript{st} international conference on Complex Metallic Alloys and their Complexity : October 4–7, 2009, Nancy, France : program and abstracts. — [France : s. n.], [2009]. — S. [59]. — Bibliogr. s. [59]

Symmetry analysis of hydrogen related structural transformations / Wiesława SIKORA, Agnieszka KUNA // W: 3\textsuperscript{rd} International symposium hydrogen & energy : 25–30 January 2009, Braunwald, Switzerland / EMPA Akademie. — [Switzerland : s. l.], [2009]. — S. 86. — Bibliogr. s. 86