@book{44910,
	author = {Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, and Möller, Ernst.},
	title = {Beiträge zur Mahdilehre des Islams.},
	publisher = {C. Winter,},
	year = {1901.},
	address = {Heidelberg,},
	note = {Arabic title quoted on p. i of introd.}
}