@article {4333,
	title = {四川石松属的资料},
	journal = {Acta Phytotaxonomica Sinica},
	volume = {18},
	year = {1980},
	author = {孔宪需}
}
@article {1931,
	title = {四川石松属的资料},
	journal = {Acta Phytotaxonomica Sinica},
	volume = {18},
	year = {1980},
	author = {Ching \& H.S.Kung}
}
