@book{26443,
	author = {Falconer, John Downie. and Raeburn, Colin.},
	title = {The southern plateau tinfields and the Sura volcanic line,},
	publisher = {Waterlow & Sons, Limited]},
	year = {1926.},
	series = {Nigeria. Geological Survey. Bulletin},
	address = {[London, etc.,}
}