Optical spectroscopy of microquasar candidates at low Galactic latitudesJ. Martí, J. M. Paredes, J. S. Bloom, J. Casares, M. Ribó and E. E. FalcoA&A, 413 1 (2004) 309-315DOI: https://doi.org/10.1051/0004-6361:20031511