Alan N. Gent,
Albrecht Müller,
R.J. Del Vecchio,
Donald C. Hylton,
John G. Sommer,
Felipe Wolff-Fabris, Volker Altstädt, Ulrich Arnold, Manfred Döring,
Edited by: E. Alfredo Campo,
Jordan Rotheiser,
Alphonsus V. Pocius,
Bruce Catoen, Herbert Rees,
Michael Thielen,
Günter Etzrodt,