@book{65755,
	author = {Darwin, Charles and Sowerby, George Brettingham},
	title = {Geological observations on coral reefs, volcanic islands, and on South America :},
	publisher = {Cambridge University Press,},
	year = {2011},
	address = {London :},
	note = {Originally issued in three separate parts, published in 1842, 1844, and 1846}
}