平台:
Emerald Backfiles
(Available from 1981 volume: 1 issue: 1 until 1997 volume: 16 issue: 8.)
Emerald Journal
(Available from 2002 until 2003. Available from 2006 until 2009.)
Emerald Backfiles
(Available from 1981 volume: 1 issue: 1 until 1997 volume: 16 issue: 8.)
Emerald Journal
(Available from 2002 until 2003. Available from 2006 until 2009.)