Near-infrared spectroscopy of 1999 JU3, the target of the Hayabusa 2 missionN. Pinilla-Alonso, V. Lorenzi, H. Campins, J. de Leon and J. LicandroA&A, 552 (2013) A79DOI: https://doi.org/10.1051/0004-6361/201221015