Bougeret, J.-L. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Fainberg, J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Stone, R. G. (NASA Goddard Space Flight Center Laboratory for Extraterrestrial Physics, Greenbelt, MD; Paris, Observatoire, Paris; Meudon, Observat, France)