@article{Dudek:2018,
  author  = "K. Dudek and R. Gatt and M. Dudek and J. Grima",
  title   = "Negative and positive stiffness in auxetic magneto-mechanical metamaterials",
  journal = "Proceedings of the Royal Society A",
  volume  = "Vol. 474",
  pages   = "1--17",
  year    = "2018",
}