| | Issue Date | Title | Author(s) |
| 1 | Oct-2004 | Hydrogen Production by Ethylene Direct Decomposition over Ni supported on novel Carbon Nanotubes | Savva, Petros G. ; Olympiou, Giorgos ; Costa, Costas ; Ryzhkov, Vladislav ; Efstathiou, Angelos M. |
| 2 | Oct-2004 | A Novel Lean De-NOx Technology for Stationary and Mobile Applications | Costa, Costas ; Efstathiou, Angelos M. |
| 3 | Sep-2004 | A Novel Lean De-NOx Technology for Stationary and Mobile Applications | Costa, Costas ; Efstathiou, Angelos M. |
| 4 | Jul-2004 | Hydrogen Production by Ethylene Decomposition over Ni Supported on Carbon Nanotubes | Savva, Petros G. ; Costa, Costas ; Efstathiou, Angelos M. |
| 5 | Jul-2004 | Initial Studies on Temperature Impact of Humic Acid | Pashalidis, Ioannis ; Kolokassidou, Konstantina ; Costa, Costas ; Efstathiou, Angelos M. ; Buckau, Gunnar |
| 6 | Jul-2004 | A Highly Active, Selective and Stable Pt/Mg-Ce-O Catalyst for the NO/H2/O2 (Lean de-NOx Reaction) | Costa, Costas ; Efstathiou, Angelos M. |
| 7 | May-2004 | A Highly Active, Selective and Stable Pt/Mg-Ce-O Catalyst for the NO/H2/O2 (Lean de-NOx Reaction) | Costa, Costas ; Efstathiou, Angelos M. |
| 8 | Jan-2004 | The Mechanism of Catalytic Reduction of NO with H2 in the Presence of O2 (Lean de-NOx) Over Supported-Pt Catalysts: The Effect of Support Chemical Composition and Pt Particle Size | Efstathiou, Angelos M. ; Costa, Costas |
| 9 | 2004 | A new approach for the production of a hydrogen-rich gas from biomas - an absorption enhanced reforming process (AER-GAS) | Polychronopoulou, Kyriaki ; Efstathiou, Angelos M. ; Costa, Costas |