| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 26 |
 |
Earth Energy Resources Inc. | 2006-09-21 | Text | ir_eua |
| 27 |
 |
Thermal recovery of oil from tar sands | 1979-06 | Text | ir_etd |
| 28 |
 |
Update on North American oil shale, oil sands, and heavy oil resource development | 2008-03-12 | ir_eua |