@book{239780,
	author = {Hambler, Clive and Canney, Susan M.},
	title = {Conservation},
	publisher = {Cambridge University Press},
	year = {c2012.},
	address = {Cambridge},
	edition = {2nd ed.},
	url = {http://assets.cambridge.org/97805211/81686/cover/9780521181686.jpg}
}