@book {W{\k a}sowicz2013,
	title = {Chronologia {\'s}redniowieczna},
	year = {2013},
	pages = {698},
	address = {Lublin},
	url = {https://www.odk.pl/chronologia-sredniowieczna,24136.html},
	author = {W{\k a}sowicz, H.}
}
@inbook {W{\k a}sowicz1998,
	title = {Dni egipskie w ksi{\k e}gach liturgicznych Krakowa i Wroc{\l}awia XIII-XVI wieku},
	booktitle = {Christianitas et cultura Europae. Ksi{\k e}ga jubileuszowa Profesora Jerzego K{\l}oczowskiego},
	year = {1998},
	pages = {730-741},
	address = {Lublin},
	author = {W{\k a}sowicz, H.}
}
