Journal Article
C Ryan
D Sheils
M Lawler
D J McConnell
E M Sharp
M M Humphries
D G Bradley
P Kenna
G J Farrar
P McWilliam
C Ryan, D Sheils, M Lawler, D J McConnell, E M Sharp, M M Humphries, D G Bradley, P Kenna, G J Farrar, P McWilliam