1. P. BENDER and C. GOAD (1979): “Probable LAGEOS Contributions to World Wide Geodynamics Control Network.”The Use of Artificial Satellites for Geodesy and Geodynamics, Vol. II, Proc. of International Symposium, Athens, May 29–June 2, 1978, G. Veis and E. Livieratos, eds. National Technical Univ. Athens, pp. 145–161.
2. M. FEISSEL (1980): “Determination of the Earth Rotation Parameters by the Bureau International de l'Heure, 1962–1979.” Bull. Geod.,54, 1, pp. 81–102.
3. B. GUINOT (1979): “Basic Problems in the Kinematics of the Rotation of the Earth.” McCarthy and Pilkington, eds.Time and the Earth's Rotation, D. Reidel, Dordrecht, pp. 7–18.
4. J. KOVALEVSKY (1979): “The Reference Systems.” McCarthy and Pilkington, eds.,Time and the Earth's Rotation, D. Reidel, Dordrecht, pp. 151–163.
5. J. KOVALEVSKY and I.I. MUELLER (1981): “Comments on Conventional Terrestrial and Quasi-Intertial Reference Systems.” Gaposchkin and Kolaczek eds.,Reference Coordinate Systems for Earth Dynamics, D. Reidel, Dordrecht.