Physical Evidence Related to UFO Reports: The Proceedings of a Workshop Held at the Pocantico Conference Center, Tarrytown, New York, September 29 - October 4, 1997P. A. Sturrock, B. Veyret, J. J. Papike et al.|elib (German Aerospace Center)|1998Cited by 10
German Network for Lunar Science and Exploration. Application for an Affiliate Membership of the NASA Lunar Science Institute. Specific contribution for experiment design.U. Auster, Stefan Theil, Hermann Bischl et al.|Unknown|2009Cited by 0