Unknown
Righi, E
;
Bartlett, D.V
;
Christiansen, J.P
;
[et al.]
Conway, G.D
;
Cordey, J.G
;
Eriksson, L.-G
;
Esch, H.P.L. De
;
Fishpool, G.M
;
Gowers, C.W
;
Haas, J.C.M. de
;
Harbour, P.J
;
Hawkes, N.C
;
Jacquinot, J
;
Jones, T.T.C
;
Kerner, W
;
King, Q.A
;
... and further 14
Institute of Physics