@inbook {Grajewski 2005,
	title = {Unbekannte Quelle des kart{\"a}userischen Chorals aus dem 17. Jahrhundert},
	booktitle = {Analecta Cartusiana},
	volume = {225},
	year = {2005},
	pages = {146-157},
	address = {Salzburg},
	keywords = {liturgia, musica liturgica, officia},
	attachments = {http://cartusiana.org./sites/default/files/Grajewski_Kart\%C3\%A4userischer\%20Choral.PDF},
	author = {Grajewski, Czes{\l}aw}
}
