@article{VanHoolst:5614,
      author        = "Van Hoolst, Tim  and Baland, Rose-Marie and Beuthe, Mikael
                        and Coyette, Alexis  and Rivoldini, Attilio  and Yseboodt,
                       Marie",
      title         = "{The rotation of Ganymede and Callisto}",
      month         = "Sep",
      year          = "2021",
}