Unknown
Karsch, S
;
Osterhoff, J
;
Popp, A
;
[et al.]
Rowlands-Rees, T P
;
Major, Zs
;
Fuchs, M
;
Marx, B
;
Hörlein, R
;
Schmid, K
;
Veisz, L
;
Becker, S
;
Schramm, U
;
Hidding, B
;
Pretzler, G
;
Habs, D
;
Grüner, F
;
... and further 2
Institute of Physics