Maggio, A. (Osservatorio Astrofisico Palermo, Italy)
Vaiana, G. S. (Osservatorio Astronomico Palermo, Italy)
Haisch, B. M. (Osservatorio Astrofisico Palermo, Italy)
Stern, R. A. (Lockheed Research Laboratories Palo Alto, CA, United States)
Bookbinder, J. (Joint Institute for Laboratory Astrophysics, Boulder, CO; Smithsonian Astrophysical Observatory, Cambridge MA, United States)