Shenhu Liang, Yu Wen, Fang Wang [...]
Ernest B. Kenney, Sigurd P. Ramfjord
Maria João Andrade, Paula Casanova, Jorge Pimentel [...]
D J Taatjes, L A Barcomb, K O Leslie [...]
Badr AbdullGaffar, Rania M. Seliem
Bert Braumann, Ludger Keilig, Angelika Stellzig-Eisenhauer [...]
Hei Kyung Choi, Chang Min Park, Jin Mo Goo [...]
P. Brand, T. Meyer, S. Häussermann [...]
Eva Kocova, Jiri Vanasek, Vladimir Koblizek [...]
C.P. Yu, F.S. Cai
, Yu Wen, Fang Wang 
