@article {42975,
	title = {Wood bison recovery : restoring grazing systems in Canada, Alaska and Eastern Siberia. International Bison Conference, Edmonton, Alberta, August 2000},
	year = {2000},
	url = {http://www.bisoncentre.com/index.php?option=com_content\&view=article\&id=124\&Itemid=135},
	author = {Gates, Cormack and Zimov, Sergei and Stephenson, Robert O. and Chapin, Melissa C.}
}
