@book {4461,
	title = {Flora Reipublicae Popularis Sinicae 3(1)},
	volume = {3},
	year = {1990},
	author = {Ching et Shing}
}
@article {4339,
	title = {Notes on some Chinese Ferns},
	journal = {Acta Phytotaxonomica Sinica },
	volume = {20},
	year = {1982},
	author = {Ching et Shing}
}
