M. Chandrashekhar, Ranjan Ganguli
Giuseppe Quaranta, Biagio Carboni, Walter Lacarbonara
Wang-Ji Yan, Wei-Xin Ren
Wang-Ji Yan, Tian-Li Huang, Wei-Xin Ren
SS Kourehli, G Ghodrati Amiri, M Ghafory-Ashtiany [...]
Shaoqing Wu, Jixiang Zhou, Sheng Rui [...]
Zhen Wang, Yong Liu, Guo-Hong Liu [...]
Weirong Li, Yan Liu, Xianpu Yuan [...]
S. El-Ouafi Bahlous, M. Abdelghani, H. Smaoui [...]
Y.J. Yan, H.F. Yang, Z.Y. Wu [...]
, Yong Liu, Guo-Hong Liu , Yan Liu, Xianpu Yuan 
