Sun and Planetary System: Proceedings of the Sixth European Regional Meeting in Astronomy, Held in Dubrovnik, Yugoslavia, 19–23 October 1981 Astrophysics and Space Science Library, nr. 96 Editat de W. Fricke et al. 19 oct 2011 Paperback Preț: 399.37 lei 6-8 săpt.
Refractional Influences in Astrometry and Geodesy International Astronomical Union Symposia, nr. 89 Editat de E. Tengström et al. 31 oct 1979 Paperback Preț: 1204.78 lei 1469.24 lei 6-8 săpt. -18%