Unknown
Wadsworth, R
;
Singh, B S Nara
;
Liu, Z
;
[et al.]
Grawe, H
;
Brock, T S
;
Boutachkov, P
;
Braun, N
;
Blazhev, A
;
Gorska, M
;
Pietri, S
;
Rudolph, D
;
Domingo-Pardo, C
;
Steer, S J
;
Atac, A
;
Bettermann, L
;
Caceres, L
;
... and further 38
Institute of Physics