@book{ BA05104561,
  author    = "Wetzel, Friedrich",
  title     = "Islamische Grabbauten in Indien : aus der Zeit der Soldatenkaiser, 1320-1540",
  publisher = "O. Zeller",
  year      = "1970",
  URL       = "https://ci.nii.ac.jp/ncid/BA05104561"
}