@article{RyanWenzelLopezSuarezetal.2015,
  author    = {Conor Ryan and Frederick W. Wenzel and Pedro L{\´o}pez Su{\´a}rez and Simon D. Berrow},
  title     = {An abundance estimate for humpback whales Megaptera novaeangliae breeding around Boa Vista, Cape Verde Islands},
  journal   = {Zoologia Caboverdiana = Revista da Sociedade Cabo Veriana de Zoologia},
  volume    = {5},
  number    = {1},
  pages     = {20 -- 28},
  year      = {2015},
}