@article {20,
	title = {A revised classification of the tribe Phaseoleae (Leguminosae: Papilionoideae), and its relation to canavanine distribution},
	journal = {Botanical Journal of the Linnean Society},
	volume = {74},
	year = {1977},
	pages = {163{\textendash}178},
	author = {Lackey, JA}
}
