@article {555,
	title = {Cartograf{\'\i}a Corol{\'o}gica Ib{\'e}rica: Aportaci{\'o}n 28},
	journal = {Bot. Complut.Bot. Complut.},
	volume = {17},
	year = {1992},
	pages = {159-168},
	author = {Silvan,F.\&Loidi,J.}
}
