Electronic Resource
Cederquist, H.
;
Astner, G.
;
Barany, A.
;
[et al.]
Danared, H.
;
Johnson, A.
;
Liljeby, L.
;
Rensfelt, K.-G.
;
Huldt, S.
;
Knudsen, H.
;
Hvelplund, P.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
24-25 (1987), S. 43-47