@article {650,
	title = {Exsiccata pteridophyta iberica},
	journal = {Exsiccata pteridophyta ibericaExsiccata pteridophyta iberica},
	year = {1987},
	pages = {_},
	author = {D{\'\i}az, T.E. (Ed.)}
}
@article {651,
	title = {Exsiccata pteridophyta iberica},
	journal = {Exsiccata pteridophyta ibericaExsiccata pteridophyta iberica},
	year = {1989},
	pages = {_},
	author = {Penas, {\'A}. (Ed.)}
}
@article {652,
	title = {Exsiccata pteridophyta iberica},
	journal = {Exsiccata pteridophyta ibericaExsiccata pteridophyta iberica},
	year = {1991},
	pages = {_},
	author = {Penas, {\'A}. (Ed.)}
}
