@article{Grima:2013,
  author  = "J. Grima and R. Caruana-Gauci and M. Dudek and K. Wojciechowski and R. Gatt",
  title   = "Smart metamaterials with tunable auxetic and other properties",
  journal = "Smart Materials and Structures",
  volume  = "Vol. 22",
  pages   = "1--10",
  year    = "2013",
}