@article {3471,
	title = {(Karyotype studies on Pharbitis in Shandong.)},
	journal = {J. Wuhan Bot Res.},
	volume = {15},
	number = {2},
	year = {1997},
	pages = {187-188},
	keywords = {chromosome numbers, Pharbitis},
	author = {Yang, D.}
}
