1. B.R. Judd, “Operator techniques in atomic spectroscopy”, McGraw Hill, New York (1963).
2. B.R. Judd, “Second quantization in atomic spectroscopy”, Johns Hopkins Press, Baltimore (1967).
3. D.M. Brink and G.R. Satchler “Angular momentum” (2nd edition) Clarendon Press, Oxford (1968).
4. E. El Baz and B. Castel, “Graphical methods of spin algebras in atomic, nuclear and particle physics”. Marcel Dekker, New York (1972).
5. A.P. Yutsis, I.B. Levinson and V.V. Vanagas “Mathematical Apparatus of the Theory of Angular Momentum” (Translated by A. Sen and R.N. Sen ), Israel Program for Scientific Translations, Jerusalem (1962).