@inproceedings{Mirabel:2007HX, author = "Mirabel, Igor Felix", title = "{Microquasars: Progress made and open questions}", doi = "10.22323/1.033.0069", booktitle = "Proceedings of VI Microquasar Workshop: Microquasars and Beyond {\textemdash} PoS(MQW6)", year = 2007, volume = "033", pages = "069" }