Nesvorný, David http://orcid.org/0000-0002-4547-4301
Vokrouhlický, David
Bottke, William F.
Levison, Harold F.
Article History
Received: 13 April 2018
Accepted: 31 July 2018
First Online: 10 September 2018
Competing interests
: The authors declare no competing interests.