@book{26417,
	author = {Brighton, A. G.},
	title = {On some Cretaceous echinoids from Nigeria ...},
	publisher = {[Waterlow & Sons, ltd.]},
	year = {1925.},
	series = {Nigeria. Geological survey. Occasional paper,},
	address = {London},
	note = {At head of title: Geological Survey of Nigeria.}
}