1. C. Trindle, J. Comput. Chem. 5, 162 (1984)
2. S. L. Altmann, Induced Representations in Crystals and Molecules, Academic Press (New York, 1977)
3. see also S. L. Altmann, Rev. Mod. Phys. 35, 641 (1963)
4. GPTHEORY:FORTRAN Computer Program for Determining Molecular Symmetry Properties, T. D. Bouman and G. L. Goodman, Argonne National Laboratory Tech. Rept. ANL-7803, 1971
5. S. Flodmark and E. Blokker, Int. J. Quantum Chem. 1S, 703 (1967) are examples; a survey is given in [1].