Conference Paper
Czechowski, A.; Hilchenbach, M.; Hsieh, K. C.; Kota, J.: Comparing the ENA data to Voyager 1 ion measurements in the heliosheath: the puzzle of H/He ratio. In: Proceedings of the 30th International Cosmic Ray Conference Universidad Nacional Autonomade Mexico, Mexico City, Mexico,2008, pp. 63 - 66 (Eds. Caballero, R.; DOlivo, J. C.; Medina-Tanco, G.; Nellen, L.; Sanchez, F. A. et al.). (2008)