Electronic Resource
Schlachter, A.S.
;
Stearns, J.W.
;
Berkner, K.H.
;
[et al.]
Bernstein, E.M.
;
Clark, M.W.
;
Dubois, R.D.
;
Graham, W.G.
;
Morgan, T.J.
;
Mueller, D.W.
;
Tanis, J.A.
;
Stockli, M.P.
;
Woodland, W.T.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
40-41 (1989), S. 21-24