B. Coppi
Massachussetts Institute of Technology,
Cambridge, Massachussetts, U.S.A.
P. Diamond
University of California at San Diego,
La Jolla, California,U.S.A.
O. N. Krokhin
P. N. Lebedev Institute of Physics,
Russian Academy of Sciences,
Moscow, Russia
R.Z.Sagdeev
The Department of Physics
University of maryland
College Park,Maryland,U.S.A.
V. Stefan
Tesla Laboratories
Stefan University,
La Jolla, California, U.S.A.