1. P. D. Rumas andA. P. Yutzis:Litv. Fiz. Sbornik:5, 185 (1965) (in Russian). The classification of the 24j-symbol was done by an electronic computer.
2. A. Yutzis, I. B. Levinson andV. V. Vanagas:Mathematical Apparatus of the Theory of Angular Momentum (Jerusalem, 1962) (translated from Russian).
3. V. Fano andG. Racah:Irreducible Tensorial Sets (New York, 1959), Appendices;T. Regge andG. Ponzano:Semiclassical Limit of Racah Coefficients, preprint (Princeton, 1967).
4. An analogous method has been used byYutzis and coworkers for programming on electronic computers.P. Rumas, A. A. Bandzaitis andA. P. Yutzis:Litv. Fiz. Sbornik,5, 185 (1965) (in Russian).
5. H. Joos:Fortschr. d. Physik,10, 65 (1962).