1. ZEUS Collaboration, Status Report 1993, ZEUS 93.
2. The ZEUS data acquisition system;Youngman,1992
3. W.H. Smith, K. Tokushuku, L. Wiggers, The ZEUS trigger system, in: C. Verkerk, W. Wojcik (Eds.), Proceedings of CHEP92 Annecy, CERN, 1992, p. 222.
4. The trigger of ZEUS, a flexible system for a high bunch crossing rate collider, Proceedings of 6th Conference on Instruments for e+e− Colliders;Carlin,1996
5. Experience with the ZEUS trigger system