@book{39424,
	author = {Kuroda, S.-Y. and ebrary, Inc.},
	title = {The 'whole' of the doughnut},
	publisher = {E. Story-Scientia,},
	year = {1979.},
	address = {Ghent :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10722673}
}