@article {3853,
	title = {J.D.Hooker, George Bentham, Asa Gray and Ferdinand Mueller on species limits in theory and practice: a mid-nineteenth-centurydebate and its repercussions},
	journal = {Historical Records of Australian Science},
	volume = {11},
	year = {1997},
	pages = {345-370},
	keywords = {species, SPECIES CONCEPTS},
	author = {Stevens, P. F.}
}
