Chunyan Zhang, Xiaobai Chen, Tingguo Wen [...]
Yimeng Zhang, Yan Zhang, Xingpeng Li [...]
Steven Deso, Nii-Kabu Kabutey, Rajendran Vilvendhan [...]
F. Valette, S. Querellou, A. Oudoux [...]
Ettore Mattea, Guido Galli, Aldo Vittorio Bono [...]
Ernesto Juaneda, Danilo Catalfamo, Juan P. Fregapani [...]
Bruce A. Perler, Malonnie Kinnison
E. Taaning, I. Holten, L. Specht [...]
Umberto Tirelli, Emanuela Vaccher, Antonino Carbone [...]
Sten Jacobsson, Sven Johansson
, Danilo Catalfamo, Juan P. Fregapani 
