JINA - Virtual Journal of Nuclear Astrophysics, 15 July 2022
Volume 20, Issue 28 (20 Articles)
- # 6 - Chemical abundances in Seyfert galaxies – IX. Helium abundance estimates
- Monthly Notices of the Royal Astronomical Society - Volume: 514, Issue: 4
- https://academic.oup.com/mnras/article/514/4/5506/6612749?rss=1