Free parameters in symmetry adapted models for modulated structure refinement / L. PYTLIK, W. SIKORA, F. BIAŁAS // W: XIX [Nineteenth] congress and general assembly of the International Union of Crystallography IUCr XIX : Geneva, Switzerland, August 6–15, 2002 : abstracts, Vol. 1. — [Geneva : s. n.], [2002]. — S. C182

Symmetry based models of magnetic structures – discussion of free parameters and structure determination from neutron diffraction experiment / W. SIKORA, L. PYTLIK, F. BIAŁAS // W: XLIV Konwersatorium krystalograficzne : Wrocław, 27–28 VI 2002 = 44\textsuperscript{th} Polish crystallographic meeting. — [Polska : s. n], 2002. — S. 165–166

Symmetry based models of magnetic structures – discussion of free parameters and the structure determination from neutron diffraction experiment / L. PYTLIK, W. SIKORA, F. BIAŁAS // W: ESS European Spallation Source : European conference : Bonn, 16–17 May 2002 : Satellite meetings 15 May 2002 : abstract book / The International Congress Centre of the Former House of Parliament of the Federal Republic of Germany. — [Bonn : ICCFHP], [2002]. — F15 s. [1]