@book{4635,
	author = {Kort, Michael,},
	title = {A brief history of Russia /},
	publisher = {Checkmark Books,},
	year = {c2008.},
	series = {Brief history},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/ecip0724/2007032723.html}
}