Journal article (1999) - W Boeck (author), M Albiez (author), MD Judd (author), W Koltunowicz (author), L Lundgaard (author), C Maulat (author), AH Mufti (author), C Neumann (author), A Petit (author), R Pietsch (author), P Prieur (author), WR Rutgers (author), T Bengtsson (author), G Schöffner (author), Y Shibuya (author), G Wanninger (author), A Diessner (author), R Feger (author), K Feser (author), A Girodet (author), E. Gulski (author), BF Hampton (author), T Hücker (author)