Highly structured wind in Vela X-1

1. Kreykenbohm, I.
2. Wilms, J.
3. Kretschmar, P.
4. Torrejón, J.M.
5. Pottschmidt, K.
6. Hanke, M.
7. Santangelo, A.
8. Ferrigno, C.
9. Staubert, R.