From Educational Meta-data Authoring to Educational Meta-data Management. - Vicky Papaioannou; Panayiota Karadimitriou; A. Papageorgiou; Charalampos Karagiannidis; Demetrios G. Sampson (ICALT, 2001)

Non-overshooting stabilisation via state and output feedback. - George Halikias; A. Papageorgiou; Nicos Karcanias (Int. J. Control, 2010)

Strong stability of internal system descriptions. - Nicos Karcanias; George Halikias; A. Papageorgiou (Int. J. Control, 2010)