Krzysztof Wilczyński,
Wolfgang Kaiser, Willy Schlachter,
Gary F. Schiller,
José R. Lerma Valero,
Chan I. Chung,
Kirk Cantor,
Ulf Bruder,
Gregory A. Campbell, Mark A. Spalding,
Georg Menges, Walter Michaeli, Paul Mohren,
Edited by: Wolfgang Grellmann, Sabine Seidler,
Rainer Dangel,
Thomas Schröder,