by Huttlin, G.A., Bushell, M.S., Conrad, D.B., Davis, D.P., Ebersole, K.L., Judy, D.C., Lezcano, P.A., Litz, M.S., Pereira, N.R., Ruth, B.G., Weidenheimer, D.M., Agee, F.J.
Published in IEEE transactions on plasma science (01.06.1990)