@article{HeywardLenzi2021,
  author    = {Clare Heyward and Dominic Lenzi},
  title     = {Special claims from improvement: a comment on Armstrong},
  journal   = {Global justice : theory, practice, rhetoric},
  volume    = {13.2021},
  number    = {1},
  pages     = {17 -- 32},
  doi       = {10.21248/gjn.13.01.247},
  year      = {2021},
}