Electronic Resource
Themner, K.
;
Hult, M.B.
;
Hylten, G.
;
[et al.]
Hakansson, K.
;
Larsson, N.P.-O.
;
Lovestam, N.E.G.
;
Nilsson, L.-B.
;
Pallon, J.
;
Malmqvist, K.G.
;
Tapper, U.A.S.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
54 (1991), S. 38-41