New elements in international maritime standards: Developing a safety case approach for the treatment of tanker incidents. - Aristotelis B. Alexopoulos; Nikolaos Konstantopoulos (Oper. Res., 2004)

Developing and managing digital service ecosystems: a service science viewpoint. - Konstadinos Kutsikos; Nikolaos Konstantopoulos; Damianos Sakas; Yiannis Verginadis (J. Syst. Inf. Technol., 2014)