Unknown
Keilhacker, M
;
Becker, G
;
Bernhardi, K
;
[et al.]
Eberhagen, A
;
ElShaer, M
;
FuBmann, G
;
Gehre, O
;
Gernhardt, J
;
Gierke, G v
;
Glock, E
;
Haas, G
;
Karger, F
;
Kissel, S
;
Kluber, O
;
Kornherr, K
;
Lackner, K
;
... and further 27
Institute of Physics