@book{243809,
	author = {Amersfoort, H. and ebrary, Inc.},
	title = {May 1940},
	publisher = {Brill,},
	year = {2010.},
	series = {History of warfare,},
	address = {Leiden ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10439204}
}