@book{14697,
	author = {Heptner, V.G., and Bannikov, A.G.,},
	title = {Mammals of the Soviet Union :},
	publisher = {Brill,},
	year = {1989.},
	series = {Biology - Book Archive pre-2000},
	address = {Leiden ;},
	url = {http://dx.doi.org/10.1163/9789004627345}
}