Energetic neutral helium of heliospheric origin at 1 AU Shaw, A. ; Hsieh, K. C. ; Hilchenbach, M. ; Czechowski, A. ; Hovestadt, D. ; Klecker, B. ; Kallenbach, R. ; Möbius, E. ; Bochsler, P. Abstract Publication: The Outer Heliosphere: The Next Frontiers Pub Date: 2001 Bibcode: 2001ohnf.conf..219S