Unknown
Kiptily, V.G.
;
Perez von Thun, C.P.
;
Pinches, S.D.
;
[et al.]
Sharapov, S.E.
;
Borba, D.
;
Cecil, F.E.
;
Darrow, D.
;
Goloborod'ko, V.
;
Craciunescu, T.
;
Johnson, T.
;
Nabais, F.
;
Reich, M.
;
Salmi, A.
;
Yavorskij, V.
;
Cecconello, M.
;
Gorini, G.
;
... and further 11
Institute of Physics