@article {2019MNRAS.484.3233B,
	title = {HARPS-N radial velocities confirm the low densities of the Kepler-9 planets},
	journal = {\mnras},
	volume = {484},
	number = {3},
	year = {2019},
	month = {apr},
	pages = {3233-3243},
	keywords = {Astrophysics - Earth and Planetary Astrophysics, stars: fundamental parameters, stars: individual: Kepler-9, techniques: radial velocities, techniques: spectroscopic},
	doi = {10.1093/mnras/stz181},
	author = {Borsato, L. and Malavolta, L. and Piotto, G. and Buchhave, L.~A. and Mortier, A. and Rice, K. and Collier Cameron, A. and Coffinet, A. and Sozzetti, A. and Charbonneau, D. and Cosentino, R. and Dumusque, X. and Figueira, P. and Latham, D.~W. and Lopez-Morales, M. and Mayor, M. and Micela, G. and Molinari, E. and Pepe, F. and Phillips, D. and Poretti, E. and Udry, S. and Watson, C.}
}
