1. Danby, J. M. A.: 1962,Fundamentals of Celestial Mechanics, Macmillan, New York, p. 303. He derives the equation for luni-solar precession under the special conditions of e=0 and B=A.
2. Hamill, P. J. and Blitzer, L.: 1974,Celest. Mech. 9, 127.
3. Kaula, W. M.: 1966,Theory of Satellite Geodesy, Blaisdell Publ. Co., Waltham, Mass., Chapter 3.
4. MacMillan, W. D.: 1930,Theory of the Potential, McGraw-Hill, New York, p. 382.