Kieran Healy. 2020. covmobility: Mobility Data from Apple and Google. R package version 0.1.0, <http://kjhealy.github.io/covmobility>.

@Manual{,
  title = {covmobility: Mobility Data from Apple and Google},
  author = {Kieran Healy},
  year = {2020},
  note = {R package version 0.1.0},
  url = {http://kjhealy.github.io/covmobility},
}