@article {34893,
	title = {A systematic study of recent bison, with particular consideration of the wood bison (Bison bison athabascae Rhoads 1898)},
	volume = {Publications in Natural Sciences No. 6},
	year = {1986},
	pages = {69},
	institution = {National Museum of Natural sciences, National Museums of Canada},
	author = {Zyll de Jong, C. G. van}
}
