1. The Utah Fly's Eye detector
2. T. Abu-Zayyad et al., Proceedings of the 26th International Cosmic Ray Conference, Salt Lake City, vol. 5, 1999, p. 349
3. R. Cester et al., Proceedings of the 27th International Cosmic Ray Conference, Hamburg, 2001, p. 711
4. L. Scarsi et al., Proceedings of the 27th International Cosmic Ray Conference, Hamburg, 2001, p. 839
5. A.N. Bunner, Ph.D. thesis, Cornell University, 1967