The first ground level event of solar cycle 24 and its longitudinal distribution in the inner heliosphere

1. Heber, B.
2. Dresing, N.
3. Dröge, W.
4. Gómez-Herrero, R.
5. Herbst, K.
6. Kartvykh, Y.
7. Klassen, A.
8. Kocharov, L.
9. Kühl, P.
10. Labrenz, J.
11. Malandraki, O.
12. Terasa, C.
13. Valtonen, E.