1
Publication: 1998-
4
Publication: Amsterdam [u.a.], Elsevier Science, 1989-
5
Publication: Köln, BfAI, 1997-
6
Publication: Köln, Bfai, 2001-2004
8
Publication: Amsterdam [u.a.], Elsevier, 1989-
9
Publication: Abingdon, Routledge, 1992-