平台:
Emerald Backfiles
(Available from 1963 volume: 1 issue: 1 until 1993 volume: 31 issue: 4.)
Emerald Journal
(Available from 2002 until 2003. Available from 2006 until 2022.)
Emerald Backfiles
(Available from 1963 volume: 1 issue: 1 until 1993 volume: 31 issue: 4.)
Emerald Journal
(Available from 2002 until 2003. Available from 2006 until 2022.)