| Year | 2014 |
| Date | 11-Jul |
| Volume | 213 |
| Issue | 4,486 |
| Page | 116 |
| Category | Internal Combustion |
| Part | 8 |
| Title | The Eta 15D Diesel Engines |
| Author | Ramon Wilson |
| Notes | Two 5cc versions by. The needle valve parts and 'incidentals', final assembly, the first run, suppliers |