The long-period Galactic Cepheid RS Puppis - I. A geometric distance from its light echoesP. Kervella, A. Mérand, L. Szabados, P. Fouqué, D. Bersier, E. Pompei and G. PerrinA&A, 480 1 (2008) 167-178DOI: https://doi.org/10.1051/0004-6361:20078961
