Planetary migration in a planetesimal disk: why did Neptune stop at 30 AU?

@article{Gomes2004PlanetaryMI,
  title={Planetary migration in a planetesimal disk: why did Neptune stop at 30 AU?},
  author={Rodney Gomes and Alessandro Morbidelli and Harold F. Levison},
  journal={Icarus},
  year={2004},
  volume={170},
  pages={492-507}
}

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