@article{HenkelIntravaia2010,
  author    = {Carsten Henkel and Francesco Intravaia},
  title     = {On the Casimir entropy between "perfect crystals"},
  doi       = {10.1142/S0217751x10049608},
  url       = {http://ejournals.wspc.com.sg/ijmpa/ijmpa.shtml},
  year      = {2010},
}