Abbott, R. et al. "Atlas of Finite Group Representations, Version 3." 2007. »
Gelessus, A. "Character Tables for Chemically Important Groups." 2007 »
Hamermesh, M. "Group Theory and Its Applications to Physical Problems." 1989.
University of St. Andrews, Centre for Interdisciplinary Research in Computational Algebra. "GAP - Groups, Algorithms, Programming - A System for Computational Discrete Algebra." 2006. »
Weisstein, E. W. "MathWorld: A Wolfram Web Resource." 2007. »