@article{winter1962mauro,
  author = {Winter, Heinrich},
  interhash = {00bb5ee710d7a2a6443db4705d72ddb2},
  intrahash = {e40b8fe1affd3ecbc6518d99b65d82fe},
  journal = {Imago Mundi },
  pages = {17-28},
  title = {The Fra Mauro Portolan Chart in the Vatican},
  volume = 16,
  year = 1962
}