Electronic Resource
Liljestrand, R.P.
;
Cameron, J.M.
;
Hutcheon, D.A.
;
[et al.]
MacDonald, R.
;
McDonald, W.J.
;
Miller, C.A.
;
Olsen, W.C.
;
Kraushaar, J.J.
;
Stronach, C.E.
;
Rogers, J.G.
;
Shepard, J.R.
;
Tinsley, J.T.
Amsterdam
:
Elsevier
Physics Letters B
99 (1981), S. 311-316