Lepp, S., & Shull, J. M. (1984). Molecules in the early universe. The Astrophysical Journal, 280, 465-469.
Chicago
Canetti, L.; Drewes, M.; Shaposhnikov, M. (2012). "Matter and Antimatter in the Universe". New J.Phys. 14: 095012. arXiv:1204.4186