1.
Few Body Problem Proceedings of the 96th Colloquium of the International Astronomical Union ...
by Valtonen, M. J.
ISBN: 9789027726803
List Price: $343.00
3.
Worlds in Interaction Small Bodies and Planets of the Solar System Proceedings of the Meeti...
by Rickman, H., Valtonen, M. J.
ISBN: 9780792339304
List Price: $289.00