@book{20457,
	author = {Arends, J. C. and Wit, Henduk Cornelis Derk de.},
	title = {Liber gratulatorius in honorem H.C.D. de Wit},
	publisher = {Veenman & Zonen,},
	year = {1980},
	series = {Landbouwhogeschool miscellaneous papers},
	address = {Wageningen :}
}