| Title | Paper | Date | Type | ||
|---|---|---|---|---|---|
| 1 |
 |
Vernal Express | 1978-01-05 | unclassified | |
| 2 |
 |
Vernal Express | 1978-01-05 | unclassified | |
| 3 |
 |
Vernal Express | 1978-01-19 | unclassified | |
| 4 |
 |
Vernal Express | 1980-01-03 | unclassified | |
| 5 |
 |
Vernal Express | 1980-01-10 | unclassified | |
| 6 |
 |
Vernal Express | 1980-01-10 | unclassified | |
| 7 |
 |
Vernal Express | 1980-01-17 | unclassified | |
| 8 |
 |
Vernal Express | 1980-01-24 | unclassified | |
| 9 |
 |
Vernal Express | 1980-01-31 | unclassified | |
| 10 |
 |
Vernal Express | 1981-01-01 | unclassified | |
| 11 |
 |
Vernal Express | 1981-01-08 | unclassified | |
| 12 |
 |
Vernal Express | 1981-01-15 | unclassified | |
| 13 |
 |
Vernal Express | 1981-01-15 | unclassified | |
| 14 |
 |
Vernal Express | 1981-01-25 | unclassified | |
| 15 |
 |
Vernal Express | 1982-01-07 | unclassified | |
| 16 |
 |
Vernal Express | 1982-01-07 | unclassified | |
| 17 |
 |
Vernal Express | 1982-01-14 | unclassified | |
| 18 |
 |
Vernal Express | 1982-01-14 | unclassified | |
| 19 |
 |
Vernal Express | 1982-01-21 | unclassified | |
| 20 |
 |
Vernal Express | 1982-01-21 | unclassified | |
| 21 |
 |
Vernal Express | 1983-01-05 | unclassified | |
| 22 |
 |
Vernal Express | 1983-01-05 | unclassified | |
| 23 |
 |
Vernal Express | 1983-01-05 | unclassified | |
| 24 |
 |
Vernal Express | 1983-01-12 | unclassified | |
| 25 |
 |
Vernal Express | 1983-01-12 | unclassified |