| Year | 2003 |
| Date | 21-Mar |
| Volume | 190 |
| Issue | 4,191 |
| Page | 305 |
| Category | Railway |
| Part | 2 |
| Title | Self Steering Wheel Sets and Swing Link Suspension |
| Author | David Hudson |
| Notes | Wheel profile development, creep phenomenon. Rolling resistance and the need to match wheel and rail elasticities, creep forces |