@book{apics,
  address   = {Leipzig},
  editor    = {Michaelis, Susanne Maria and Maurer, Philippe and Haspelmath, Martin and Huber, Magnus},
  publisher = {Max Planck Institute for Evolutionary Anthropology},
  title     = {APiCS Online},
  url       = {http://apics-online.info},
  year      = {2013}
}