@article {R{\"u}thing 1980,
	title = {Egher, Heinrich, von Kalkar},
	journal = {Die deutsche Literatur des Mittelalters. Verfasserlexikon, 2e ed.},
	volume = {2},
	year = {1980},
	pages = {379-384},
	keywords = {biographiae, Henricus Egher de Calcaria O.Cart. (biographia)},
	author = {Heinrich R{\"u}thing}
}
