1. Daniel Edwin Rutherford,Substitutional Analysis(Cambridge U.P., Cambridge, 1948).
2. Hermann Boerner,Representations of Groups, translated by P. G. Murphy with J. Mayer-Kalkschmidt and P. Carr (North-Holland, Amsterdam, 1970).
3. Morton Hamermesh,Group Theory and its Application to Physical Problems(Addison-Wesley, Reading, Massachusetts, 1962).
4. H. Weyl,Theory of Groups and Quantum Mechanics(Princeton U.P., Princeton, N.J., 1931).