1. M. Burša: Variations in the Earth's Rotation and Crustal Deformations. Studia geoph. et geod., 26 (1982), 215.
2. M. Burša: Satellite Orbit Perturbations Due to the Deforming Potential of Centrifugal Forces. Bull. Astron. Inst. Czechosl., 34 (1983), 74.
3. W. W. Kaula: Theory of Satellite Geodesy. Applications of Satellites to Geodesy. Blaisdeil Publ. Co., A Division of Ginn and Co., Waltham, Massachusetts etc 1966.
4. М. Ф. Субботин: Курс небесной механики, Т. 2. ОНТИ НКТП, Л.-М. 1937.