@article{rapoportyossefsavagesmith2004medieval,
  author = {Rapoport, Yossef and Savage-Smith, Emilie},
  interhash = {04ac2c501bc8767bba6b19c37c4737b1},
  intrahash = {54c8c47eb7db8c41e37cfb93282d95b8},
  journal = {The Cartographic Journal },
  number = 3,
  pages = {253-259},
  title = {Medieval Islamic View of the Cosmos: The Newly discovered Book of Curiosities},
  volume = 41,
  year = 2004
}

@article{nazmialharita,
  author = {Nazmi, Ahmad},
  interhash = {e8daf35f42655c52b03fb0247c5e90a7},
  intrahash = {ca94ba5fc80c25be2dea6c448f5ac685},
  journal = {Rocznik orientalistyczny},
  pages = {77-95},
  title = {“Al-Harita al-Ma’muniyya”. The Islamic World Map of Al-Ma’mun and the Islamic Cartography},
  volume = 57,
  year = 2004
}

@article{yossef2004medieval,
  author = {Rapoport, Yossef and Savage-Smith, Emilie},
  interhash = {04ac2c501bc8767bba6b19c37c4737b1},
  intrahash = {4562bcb234e93bdc646a9ac6ad260b2e},
  journal = {The Cartographical Journal},
  pages = {253-259},
  title = {Medieval Islamic View of the Cosmos: The Newly Discovered Book of Curiosities},
  volume = 41,
  year = 2004
}

@incollection{rahel2008papst,
  address = {Leipzig},
  author = {Oesterle, Jenny Rahel},
  booktitle = {Transkulturelle Komparatistik. Beiträge zu einer Globalgeschichte der Vormoderne},
  editor = {Drews, Wolfram and Oesterle, Jenny Rahel},
  interhash = {c654c61e535f20dad496b81a4331e944},
  intrahash = {a3523298ee1d31b14e4544cfc075edb3},
  pages = {57-72},
  title = {Papst – Kalif – König. Vergleiche sakraler Herrschaftsformen im Spiegel islamischer und christlicher Quellen des Mittelalters und moderner Forschung},
  year = 2008
}