@article {421,
	title = {Algunas consideraciones acerca de la provincia corol{\'o}gica Orocant{\'a}brica},
	journal = {Anales Jard. Bot. MadridAnales Jard. Bot. Madrid},
	volume = {34},
	year = {1977},
	pages = {219-253},
	author = {NavarroAndr{\'e}s,S.\&D{\'\i}azGonz{\'a}lez,T.E.}
}
@article {429,
	title = {Aportaciones a la flora espa{\~n}ola},
	journal = {Anales Jard. Bot. MadridAnales Jard. Bot. Madrid},
	volume = {34},
	year = {1977},
	pages = {157-173},
	author = {Vald{\'e}s-Bermejo,E.\&L{\'o}pez,G.}
}
