Electronic Resource
Sellin, I.A.
;
Elston, S.B.
;
Forester, J.P.
;
[et al.]
Griffin, P.M.
;
Pegg, D.J.
;
Peterson, R.S.
;
Thoe, R.S.
;
Vane, C.R.
;
Chen, F.
;
Wright, J.J.
;
Groeneveld, K.-O.
;
Laubert, R.
Amsterdam
:
Elsevier
Physics Letters A
61 (1977), S. 107-110