| Year | 2015 |
| Date | 12-Jun |
| Volume | 214 |
| Issue | 4,510 |
| Page | 876 |
| Category | Internal Combustion |
| Part | 14 |
| Title | Internal Combustion Theory and Practice |
| Author | Ron Wright |
| Notes | A retired technical college teacher provides an in-depth course in I/C. Survey of positively driven superchargers, sliding vane type, Roots twin rotor type |