@book{1956,
	author = {Valvekens, Paul Emiel,},
	title = {De onbekende keizer Karel v.},
	publisher = {De Kinkhoren},
	year = {[1944]},
	address = {Brugge,},
	note = {At head of title: Dr P. Em. Valvekens, O.PRAEM.}
}