@article {4304,
	title = {Materials of the Pteris Flora of China},
	journal = {Acta Botanica Austro Sinica},
	volume = {1},
	year = {1983},
	author = {Ching et S. H. Wu}
}
@article {2395,
	title = {Materials for the Pteris Flora of China},
	journal = {Acta Botanica Austro Sinica},
	volume = {1},
	year = {1983},
	author = {Ching et S. H. Wu}
}
