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	volume = {47},
	year = {1990},
	pages = {339-348},
	chapter = {339},
	author = {Garc{\'\i}a Fern{\'a}ndez, R. and Fern{\'a}ndez Casado, M.A. and Nava,H.S.}
}
@article {683,
	title = {Las comunidades vegetales de ventisqueros (Salicetea herbaceae) en los Picos de Europa (Cordillera Cant{\'a}brica)},
	journal = {Itinera Geobot.Itinera Geobot.},
	volume = {5},
	year = {1991},
	pages = {517-526},
	author = {D{\'\i}az, T.E. and Nava,H.S.}
}
@article {406,
	title = {Adiciones. Mapa 71 (2)},
	journal = {FontqueriaFontqueria},
	volume = {18},
	year = {1988},
	pages = {4},
	author = {Nava,H.S.}
}
