Unknown
Thiel, A.
;
Sokhoyan, V.
;
Gutz, E.
;
[et al.]
van Pee, H.
;
Anisovich, A. V.
;
Bacelar, J. C. S.
;
Bantes, B.
;
Bartholomy, O.
;
Bayadilov, D.
;
Beck, R.
;
Beloglazov, Yu.
;
Castelijns, R.
;
Crede, V.
;
Dutz, H.
;
Elsner, D.
;
Ewald, R.
;
... and further 49
American Physical Society