Mark D. Shelley, Mahmoud M. El-Halwagi
Franco Cataldo
S. Anandhan, P.P. De, S.K. De [...]
T.R. McClellan
A. J. Whittle, D. Pesudovs
R. E. Allred, L. D. Busselle
Dragan Djordjevic
Heimo Gursch, Andreas Ofner, Robert Harb [...]
Qinghua Zhao, Ming Chen
B.J. Jody, E.J. Daniels
, Andreas Ofner, Robert Harb 
