@inproceedings{NEGUERUELA:2009ul, author = "NEGUERUELA, Ignacio", title = "{Optical and Infrared characterisation of High Mass X-ray Binaries discovered by INTEGRAL}", doi = "10.22323/1.067.0072", booktitle = "Proceedings of 7th INTEGRAL Workshop {\textemdash} PoS(Integral08)", year = 2009, volume = "067", pages = "072" }