| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 1 |
 |
Implications of a cosmological constant varying as R-2 | 1990-01 | Text | ir_uspace |
| 2 |
 |
Intermountain Acoustic Musician, Volume 7 Number 1, January 1990 | 1990-01 | Text | uu_iam |
| 3 |
 |
Tar sand technology status report | 1990-01 | ir_eua | |
| 4 |
 |
Tar sand: Technology status report | 1990-01 | ir_eua | |
| 5 |
 |
Union Pacific Railroad P. 68 | 1990-01 | Image | dha_cp |