@article {691,
	title = {Los pterid{\'o}fitos de Las Villuercas (C{\'a}ceres)},
	journal = {Anales Inst. Bot. CavanillesAnales Inst. Bot. Cavanilles},
	volume = {28},
	year = {1972},
	pages = {35-61},
	author = {Rivas-Mart{\'\i}nez,S.\&Ladero,M.}
}
