@book{31495,
	author = {Wittop Koning-Rengers Hora Siccama, W. C. and Poort, Herman.},
	title = {De bloeiende bongerd :},
	publisher = {J.B. Wolters,},
	year = {1933.},
	address = {Groningen :},
	edition = {4. druk.}
}