Contributors to version 2:
- Salvatore Filippone, Cranfield University, UK;
- Pasqua D'Ambra, IAC-CNR, Naples, IT;
- Daniela di Serafino, University of Campania “L. Vanvitelli”, Caserta, IT;
- Ambra Abdullahi Hassan, University of Rome “Tor Vergata”, IT.
Contributors to version 1:
- Salvatore Filippone;
- Pasqua D'Ambra;
- Daniela di Serafino;
- Alfredo Buttari, CNRS-IRIT, Toulouse, F.