| Reference |
P. Massmann, P.J.M. van Bommel, E.H.A. Granneman, H.J. Hopman, J.H. Los, F. Siebenlist and J.N.M. van Wunnik: Production of negative deuterium ion beams by means of negative surface ionization In: Tenth European Conference on Controlled Fusion and Plasma Physics, Moscow, September 14-19, 1981, Vol. 1 : Contributed Papers, European Physical Society, 1981. |
