@article{WellsPoppenhaegerWatson2019,
  author    = {Robert Wells and Katja Poppenh{\"a}ger and C. A. Watson},
  title     = {Validation of a temperate fourth planet in the K2-133 multiplanet system},
  journal   = {Monthly notices of the Royal Astronomical Society},
  volume    = {487},
  number    = {2},
  pages     = {1865 -- 1873},
  doi       = {10.1093/mnras/stz1334},
  year      = {2019},
}