@book {H{\"u}schen 1952,
	title = {Das Cantuagium des Heinrich Eger von Kalkar, 1328-1408},
	series = { Beitr{\"a}ge zur rheinischen Musikgeschichte},
	number = {2},
	year = {1952},
	pages = {67},
	address = {K{\"o}ln},
	keywords = {Henricus Egher de Calcaria O.Cart.: Cantuagium (editio)},
	attachments = {http://cartusiana.org./sites/default/files/H\%C3\%BCschen_Das\%20Cantuagium\%20des\%20Heinrich\%20Eger\%20von\%20Kalkar.PDF},
	author = {H{\"u}schen, Heinrich}
}
