by P. Pal, Khairnar Krishna, W. N. Paunikar

by Papadonikolaki G.S., Altan Y.C., Stamou A.I., Otay E.N., Christodoulou G.C., Copty N.K., Tsoukala V.K., Telli-Karakoc F., Papadopoulos A.

by Vranjes Ana, Milenic Dejan, Milankovic Djordje, Petric Milan, Savic

by G. Dimitriou, Papadopoulou Maria P.

by Grigoriadis Nikolaos, Spyroglou, Grigoriadis, Klapanis

by A.R. Siddiqui, M. Pal, D. Bhattacharya, S.K. Das

by Papargyri E., Kanaroglou P.S., Photis Y.N.