@inproceedings{Aghanim:2007xJ, author = "Aghanim, Nabila", title = "{The CMB as a re-ionization probe}", doi = "10.22323/1.027.0007", booktitle = "Proceedings of CMB and Physics of the Early Universe {\textemdash} PoS(CMB2006)", year = 2007, volume = "027", pages = "007" }