by Stamou A., Papadonikolaki G.

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 Latinopoulos Dionysis, Mylopoulos N., Fafoutis C.

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

by Biswas Robin, Jayawardena A.W.

by D.B. Moalafhi, B.P. Parida, Kenabatho Piet

by E. Manoli, G. Arampatzis, Ev. Pissias, D. Xenos, D. Assimacopoulos

by Iatrou Miltiadis, A. Papadopoulos, F. Papadopoulos, Tziachris P., Metaxa I.