![](/img/cover-not-exists.png)
Hyperfine Level–changing Collisions of Hydrogen Atoms and Tomography of the Dark Age Universe
Zygelman, B.Volume:
622
Language:
english
Journal:
The Astrophysical Journal
DOI:
10.1086/427682
Date:
April, 2005
File:
PDF, 189 KB
english, 2005