Quadrupolar, structural, and magnetic ordering in $DyB_{2}C_{2}$ studied by symmetry analysis and neutron diffraction / O. Zaharko, W. SIKORA, F. BIAŁAS, U. Staub, T. Nakamura // Physical Review. B, Condensed Matter and Materials Physics ; ISSN 1098-0121. — Tytuł poprz.: Physical Review B : Condensed Matter. — 2004 vol. 69 iss. 22, s. 224417-1–224417-12. — Bibliogr. s. 224417-11–224417-12. — F. Białas – afiliacja: Nowy Sacz School of Business. — tekst: https://journals-1aps-1org-1b3ufmukx00e7.wbg2.bg.agh.edu.pl/prb/pdf/10.1103/PhysRevB.69.224417