Kevin D. Ashley
(University of Pittsburg, USA)
Tomasz Gizbert-Studnicki
(Jagiellonian University, Cracow, Poland)
Jaap Hage
(University of Maastricht, Netherlands)
L. Thorne McCarty
(The State University of New Jersey, USA)
Radim Polcak
(Masaryk University, Brno, Czech Republic)
Erich Schweighofer
(Universität Wien, Vienna, Austria)
