Electronic Resource
Walker, W.D.
;
Whitmore, J.
;
Toothacker, W.S.
;
[et al.]
Hill, J.C.
;
Neale, W.W.
;
Lucas, P.
;
Voyvodic, L.
;
Ammar, R.
;
Gress, J.
;
Bishop, J.M.
;
Mattingly, M.C.K.
;
Cason, N.M.
;
Biswas, N.N.
;
Ruchti, R.C.
;
Shephard, W.D.
Amsterdam
:
Elsevier
Physics Letters B
255 (1991), S. 155-158