@article {4477,
	title = {New Cycas from Guangxi},
	journal = {Acta Scientiarum Naturalium Universi},
	volume = {36},
	year = {1997},
	author = {Zhang Hongda and Zhong Yecong}
}
@article {4361,
	title = {德保苏铁----中国苏铁一新种/Cycas Debaoensis ----A New Cycas from China},
	journal = {Acta Phytotaxonomica Sinica},
	volume = {35},
	year = {1997},
	author = {C.J.Chen \& Y.C.Zhong}
}
