| Title: | Trigonometric Parallaxes of Star-forming Regions beyond the Tangent Point of the Sagittarius Spiral Arm |
| First author: | Wu Yuanwei |
| Page number: | 94-106 |
| Issue: | 874 |
| PubYear: | 2019 |
| Volume: | 2019 |
| Impact factor: | 5.558 |
| Publication name: | The Astrophysical Journal |
| Abstract: |