Polarisation of very-low-mass stars and brown dwarfs - I. VLT/FORS1 optical observations of field ultra-cool dwarfsB. Goldman, J. Pitann, M. R. Zapatero Osorio, C. A. L. Bailer-Jones, V. J. S. Béjar, J. A. Caballero and Th. HenningA&A, 502 3 (2009) 929-936DOI: https://doi.org/10.1051/0004-6361/200811152
