Unknown
Svoboda, O
;
Blume, C
;
Czyžycki, W
;
[et al.]
Epple, E
;
Fabbietti, L
;
Galatyuk, T
;
Golubeva, M
;
Guber, F
;
Hlaváč, S
;
Ivashkin, A
;
Kajetanowic, M
;
Kardan, B
;
Koenig, W
;
Kugler, A
;
Lapidus, K
;
Linev, S
;
... and further 15
Institute of Physics