Rickman, H. (2018). Origin and evolution of comets: Ten years after the Nice model and one year after Rosetta. World Scientific.
Chicago-tyylinen lähdeviittausRickman, H. Origin and Evolution of Comets: Ten Years After the Nice Model and One Year After Rosetta. New Jersey: World Scientific, 2018.
MLA-viiteRickman, H. Origin and Evolution of Comets: Ten Years After the Nice Model and One Year After Rosetta. World Scientific, 2018.
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