@inbook {2011,
	title = {The codicology of late medieval music manuscripts: some preliminary observations},
	booktitle = {The Calligraphy of Medieval Music},
	series = {Musicalia Medii Aevi},
	volume = {1},
	year = {2011},
	pages = {23-36},
	publisher = {Brepols},
	organization = {Brepols},
	address = {Turnhout},
	isbn = {978-2-503-54005-4},
	author = {Derolez, Albert},
	editor = {Haines, John}
}
@inbook {2011,
	title = {The meeting of chant and polyphony in monophonic square notation from Cambrai Cathedral 1250-1550},
	booktitle = {The Calligraphy of Medieval Music},
	series = {Musicalia Medii Aevi},
	volume = {1},
	year = {2011},
	pages = {253-272},
	publisher = {Brepols},
	organization = {Brepols},
	address = {Turnhout},
	isbn = {978-2-503-54005-4},
	author = {Haggh, Barbara},
	editor = {Haines, John}
}
