@inproceedings{Japelj:2012nR, author = "Japelj, Jure", title = "{Optical Afterglows and IGM Attenuation}", doi = "10.22323/1.152.0078", booktitle = "Proceedings of Gamma-Ray Bursts 2012 Conference {\textemdash} PoS(GRB 2012)", year = 2012, volume = "152", pages = "078" }