Effects of primordial chemistry on the cosmic microwave background D. R. G. Schleicher, D. Galli, F. Palla, M. Camenzind, R. S. Klessen, M. Bartelmann and S. C. O. Glover A&A, 490 2 (2008) 521-535 Published online: 09 July 2008 DOI: 10.1051/0004-6361:200809861