@book{210754,
	author = {Stillwell, John.},
	title = {Population dynamics and projection methods / },
	publisher = {Springer Science, },
	year = {c2011.},
	series = {Understanding population trends and processes ;},
	address = {Dordrecht : },
	url = {http://www.loc.gov/catdir/enhancements/fy1316/2011920950-d.html}
}