@article {599,
	title = {Descriptions of three new frogs discovered by Dr. P. Krefft in Usambara, German East Africa},
	journal = {The Annals and magazine of natural history; zoology, botany, and geology},
	volume = {8th ser. v. 4},
	year = {1909},
	author = {Boulenger, G.A.}
}
