Unknown
Ryan, C G
;
Siddons, D P
;
Kirkham, R
;
[et al.]
Li, Z Y
;
de Jonge, M D
;
Paterson, D J
;
Kuczewski, A
;
Howard, D L
;
Dunn, P A
;
Falkenberg, G
;
Boesenberg, U
;
De Geronimo, G
;
Fisher, L A
;
Halfpenny, A
;
Lintern, M J
;
Lombi, E
;
... and further 13
Institute of Physics