To cite package ‘MEMSS’ in publications use:

  Bates D, Maechler M, Bolker B, Walker S (2026). _MEMSS: Data Sets
  from Mixed-Effects Models in S_. R package version 0.9-4,
  <https://github.com/bbolker/memss>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {MEMSS: Data Sets from Mixed-Effects Models in S},
    author = {Douglas Bates and Martin Maechler and Ben Bolker and Steven Walker},
    year = {2026},
    note = {R package version 0.9-4},
    url = {https://github.com/bbolker/memss},
  }