@article {32,
	title = {Sobre el g{\'e}nero Ruppia L. en la cuenca del Duero},
	journal = {Anales del Jard{\'\i}n Bot{\'a}nico de Madrid},
	volume = {43},
	year = {1986},
	pages = {184},
	author = {Gir{\'a}ldez Fern{\'a}ndez, X. and Fern{\'a}ndez D{\'\i}ez, F.J.}
}
