The 2nd level trigger system of the HADES detector Traxler, M. ; Becker, R. ; Frohlich, I. ; Kuhn, W. ; Lehnert, J. ; Lichtblau, C. ; Lins, E. ; Petri, M. ; Pleier, M. -A. ; Ritman, J. Abstract Publication: IEEE Transactions on Nuclear Science Pub Date: April 2000 DOI: 10.1109/23.846185 Bibcode: 2000ITNS...47..376T