@book{247340,
	author = {Ogg, James G. and Ogg, Gabi.},
	title = {A concise geologic time scale 2016 / },
	publisher = {Elsevier,},
	year = {�2016},
	address = {Amsterdam, Netherlands :},
	note = {Includes index.},
	url = {http://www.sciencedirect.com/science/book/9780444637710}
}