@book {4512,
	title = {Symbolae Sinicae},
	year = {1929},
	author = {Hand.-Mazz}
}
@article {4374,
	title = {Pteridaceae},
	journal = {Akad. Anz. Akad. Wien. },
	volume = {9},
	year = {1923},
	author = {Hand.-Mazz}
}
