Electronic Resource
Fulton, B.R.
;
Bennett, S.J.
;
Freer, M.
;
[et al.]
Murgatroyd, J.T.
;
Gyapong, G.J.
;
Jarvis, N.S.
;
Jones, C.D.
;
Watson, D.L.
;
Smith, A.E.
;
Brown, J.D.
;
Lilley, J.S.
;
Rae, W.D.M.
Amsterdam
:
Elsevier
Physics Letters B
267 (1991), S. 325-329