Long Term Evolution of Planetary Systems: Proceedings of the Alexander Von Humboldt Colloquium on Celestial Mechanics, Held in Ramsau, Austria, 13-19Springer
Long Term Evolution of Planetary Systems: Proceedings of the Alexander Von Humboldt Colloquium on Celestial Mechanics, Held in Ramsau, Austria, 13-19 - HardbackSpringer
A Comparison of the Dynamical Evolution of Planetary Systems: Proceedings of the Sixth Alexander Von Humboldt Colloquium on Celestial Mechanics Bad Ho - PaperbackSpringer
New Developments in the Dynamics of Planetary Systems: Proceedings of the Fifth Alexander Von Humboldt Colloquium on Celestial Mechanics Held in Badho - PaperbackSpringer
History of Monetary Systems: A Record of Actual Experiments in Money Made By Various States of the Ancient and Modern World, As Drawn from Their StAlpha Edition
The Stability of Planetary Systems: Proceedings of the Alexander Von Humboldt Colloquium on Celestial Mechanics, Held at Ramsau, Styria, March 25-31,Springer