Analysis of possible magnetic structures in $ErMn_{2}D_{2}$ deuteride / Andrzej Budziak, Wiesława SIKORA, Henryk FIGIEL // W: 3\textsuperscript{rd} International symposium hydrogen & energy : 25–30 January 2009, Braunwald, Switzerland / EMPA Akademie. — [Switzerland : s. l.], [2009]. — S. 40. — Bibliogr. s. 40. — A. Budziak – afiliacja: The H. Niewodniczanski Institute of Nuclear Physics

Symmetry analysis in parametrization of complex systems / W. SIKORA, J. MALINOWSKI // W: Symmetry and Structural Properties of Condensed Matter (SSPCM 2009) : the tenth international school on Theoretical physics : 2 September–9 September 2009, Myczkowce, Poland : program and abstracts. — [Poland : s. n.], [2009]. — S. 19–20. — Bibliogr. s. 20

Symmetry analysis in the investigation of magnetic and structural phase transitions in hydrides $R_{6}M_{23}D_{x}$ type compounds / A. KUNA, W. SIKORA // W: Frontiers in modern physics and its applications : Kraków, Poland, May 28–29, 2009 : conference proceedings / Faculty of Physics and Applied Computer Science. AGH Univeristy of Science and Technology. — [Kraków : AGH FPACS], [2009]. — S. 136. — Bibliogr. s. 136. Bibliogr. s. 80, Abstr.. — Abstract W: Frontiers in modern physics and its applications : Kraków, Poland, May 28–29, 2009 : conference programme & abstracts / AGH University of Science and Technology. Faculty of Physics and Applied Computer Science. — [Kraków : AGH, 2009]. — S. 50. — Bibliogr. s. 50

Symmetry analysis in the investigation of magnetic and structural phase transitions in hydrides ${R_{6}M_{23}D_{x}}$ type compounds / A. KUNA, W. SIKORA // W: 14\textsuperscript{th} international seminar on Neutron scattering investigation in condensed matter : May 14 – 16, 2009 : Poznań, Poland. — [Poznań : Faculty of Physics. Adam Mickiewicz University], 2009. — S. [1]. — Bibliogr. s. [1]

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

Symmetry analysis of possible magnetic structures and accompanying structural deformations in laves phase C14-type hydrates / W. SIKORA, A. Budziak // W: 14\textsuperscript{th} international seminar on Neutron scattering investigation in condensed matter : May 14 – 16, 2009 : Poznań, Poland. — [Poznań : Faculty of Physics. Adam Mickiewicz University], 2009. — S. [1]. — Bibliogr. s. [1]. — A. Budziak – afiliacja: The H. Niewodniczanski Institute of Nuclear Physics

The symmetry analysis of structural deformations and associated magnetic orderings related with hydrogen implementation in intermetallic $R_{6}M_{23}$ compounds / W. SIKORA, A. KUNA // W: 51 Konwersatorium Krystalograficzne : III sesja naukowa i warsztaty PTK : Wrocław, 25–27 VI 2009 : program, streszczenia komunikatów, lista uczestników i autorów prac = Polish Crystallographic Meeting / Komitet Krystalografii PAN, Polskie Towarzystwo Krystalograficzne, Instytut Niskich Temperatur i Badań Strukturalnych PAN. — [Wrocław : s. n.], [2009]. — Opis częśc. wg okł.. — S. 35–36. — Bibliogr. s. 36

The symmetry analysis of structural deformations related with hydrogen implementation in borohydrides / A. KUNA, W. SIKORA // W: Symmetry and Structural Properties of Condensed Matter (SSPCM 2009) : the tenth international school on Theoretical physics : 2 September–9 September 2009, Myczkowce, Poland : program and abstracts. — [Poland : s. n.], [2009]. — S. 10–11. — Bibliogr. s. 11