Millimeter observations of HCM 6A, a gravitationally lensed Lyα emitting galaxy at z = 6.56F. Boone, D. Schaerer, R. Pelló, F. Combes and E. EgamiA&A, 475 2 (2007) 513-517DOI: https://doi.org/10.1051/0004-6361:20078253