@book {18,
	title = {Snowdrops: A Monograph of Cultivated Galanthus},
	year = {2006},
	publisher = {Griffin Press},
	organization = {Griffin Press},
	address = {Cheltenham},
	isbn = {9780954191609},
	author = {Bishop, M. and Davis, A.P. and Grimshaw, J.}
}
