1. Proceedings of the International Workshop on Techniques to Study Cosmic Rays with Energies Greater than 1019 eV,1992
2. Adelaide Design Workshop on Techniques for the Study of Cosmic Rays with Energies above 1019 eV,1993
3. An expository workshop was also held at Fermilab in March,1994
4. Proc. of the Tokyo Workshop on Techniques for the Study of Extremely High Energy Cosmic Rays;Dawson,1993
5. B.R. Dawson and A.A. Lee, Contribution to the Air Fluorescence Technique Report, Adelaide Workshop (reference 2).