@article{astengo(1990mappamondi,
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  interhash = {03c2fa391900a25ff5d62604af23b150},
  intrahash = {9c77b58b5342202a01322278bd1137e8},
  journal = {Annali di Richerche e Studi di Geografia},
  pages = {1-18},
  title = {I mappamondi di Giacomo Gastaldi e lo stretto di Anian},
  volume = 46,
  year = {(1990}
}

@article{almagi1940mappamondi,
  author = {Almagia, Roberto},
  interhash = {820922bdf0ab34d2ad68fc24255273e8},
  intrahash = {99a4d1b9b36d22845005c91d08fb7c0c},
  journal = {La Bibliofilia},
  pages = {288-311},
  title = {I mappamondi di Enrico Martello e alcuni concetti geografici di Cristoforo Colombo},
  volume = 42,
  year = 1940
}

@incollection{TSAFRIR,
  address = {Jerusalem},
  author = {Tsafrir, Yoram},
  booktitle = {The Madaba Map centenary: 1897-1997. Travelling Through the Byzantine Umayyad Period. Proceedings of the International Conference Held in Amman, 7-9 April 1997},
  editor = {Piccirillo, Michele and Alliata, Eugenio},
  interhash = {d8c3b851f30841c6f43282a4e648f6fa},
  intrahash = {24d03804518c58e3194fd3e0c94c70e7},
  pages = {155-163},
  title = {The Holy City of Jerusalem in the Madaba Map},
  year = 1999
}