by Guan Xinjian, Wang Huiliang, Li Xuyong
by K. P. Silveira, H. L. Ornaghi Jr, P. R. Wander, G. A. Carvalho, M. Giovanela, K. R. Reckzegiel, J. S. Crespo
by Genç Nevim, Genç
by Çakıt Erman, E. Çakıt
by S. Sfaelou, J. Vakros, I.D. Manariotis, H.K. Karapanagioti
by E. Guler, G. Onkal Engin, M. Celen, H. Sari Erkan
by Üstün Abdullah Korkut, Üstün A.
by Darivianakis N., Katsifarakis K.L., Vafeiadis M.
by Panagopoulos Andreas, Arampatzis Georgios, Kuhr Petra, Kunkel Ralph, Tziritis Evangelos, Wendland Frank
by Kiurski J., Adamović S., Oros I., Krstić J., Kovačević I.
by AlSuhaimi A.O., McCready T.
by Sousa J., Freitas O. M., Figueiredo S. A.
by Neczaj Edmund, Bien Jan, Grosser Andrzej, Worwag Günter, Kacprzak Mariusz
by Bereketidou O., Charisiou N.D., Goula M.A.
by Escudero M., Jiménez Á., López I., Rodríguez J.
by Vagiona D., Karanikolas N.
by Casanova Jesus, Fonseca N.
by Papathanasiou C., Alonistioti D., Kasella A., Makropoulos C., Mimikou M.
by Ε.Ι. Daniil, Michas S.N., Nikolaou K., Lazaridis L.S.
by Rincon S., Gomez A.
by null Durr-E-Shahwar, Abdullah Yasar, Yousaf Sumaira
by Roushdi Mahmoud, El-Hawary Ahmed, Mahgoub Mohamed