| Year | 1968 |
| Date | 07-Jun |
| Volume | 134 |
| Issue | 3,346 |
| Page | 533 |
| Category | Internal Combustion |
| Part | 3 |
| Title | Model Petrol Engines |
| Author | Edgar T.Westbury |
| Notes | Small two-stroke development review. Admission timing control, mechanically timed admission, applications of rotary valves, Atom Minor Mark I |