M dwarfs in the b201 tile of the VVV survey - Colour-based selection, spectral types and light curvesBárbara Rojas-Ayala, Daniela Iglesias, Dante Minniti, Roberto K. Saito and Francisco SurotA&A, 571 (2014) A36DOI: https://doi.org/10.1051/0004-6361/201424066