D. B. Litvin, Magnetic Group Tables. 1-, 2-and 3-Dimensional Magnetic Subperiodic Groups and Space Groups, 2013.

K. Momma and F. Izumi, for three-dimensional visualization of crystal, volumetric and morphology data, Journal of Applied Crystallography, vol.51, issue.6, pp.1272-1276, 2011.
DOI : 10.1107/S0108767394013292

H. Wondratschek and U. Mü-ller, International Tables for Crystallography Symmetry Relations Between Space Groups, 2010.

R. W. Wyckoff, The Analytical Expression of the Results of the Theory of Space-Groups, 1922.

R. W. Wyckoff, The Analytical Expression of the Results of the Theory of Space Groups, 1930.