joke @joke Active 5 years, 8 months ago ActivityProfileGroups 3 PersonalMentionsFavoritesGroups Show: — Everything — Updates New Groups Group Memberships Group Updates joke joined the group SIG-12 Crystallography of Functional Materials 5 years, 8 months ago SIG-12 Crystallography of Functional Materials Visit group joke joined the group SIG-04 Electron Crystallography 5 years, 8 months ago SIG-04 Electron Crystallography Visit group