@Inproceedings{EPTCS63.31,
  author    = {Steiner, Wolfgang},
  year      = {2011},
  title     = {On the Delone property of ($\minus\beta$)-integers},
  editor    = {Ambro\v{z}, Petr and Holub, \v{S}t\v{e}p\'an and Mas\'akov\'a, Zuzana},
  booktitle = {{\rm Proceedings 8th International Conference}
               Words 2011,
               {\rm Prague, Czech Republic, 12-16th September 2011}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {63},
  publisher = {Open Publishing Association},
  pages     = {247-256},
  doi       = {10.4204/EPTCS.63.31},
}