@Article{ authors = " María Angeles Villegas, Fernando Agua, Juan-Félix Conde, Manuel García-Heras", title = "Historical glasses : approaches, degradation and preservation / María Angeles Villegas, Fernando Agua, Juan-Félix Conde and Manuel García-Heras.", journal = "Archaeologia Polona", issue = "2008 / Tom 46", pages = "295 - 316" }

@Article{ authors = " Manuel García-Heras, Fernando Agua, María Angeles Villegas, Urszula Kobylińska, Zbigniew Kobyliński", title = "Archaeometric study of pottery from the Early Iron Age stronghold at Starosiedle (Lubuskie Province, western Poland) / Manuel García-Heras, Fernando Agua, María Angeles Villegas, Urszula Kobylińska and Zbigniew Kobyliński.", journal = "Archaeologia Polona", issue = "2008 / Tom 46", pages = "173 - 193" }

@Article{ authors = " Teresa Palomar, Manuel García-Heras, Fernando Agua, María Angeles Villegas", title = "Study of pottery production patterns through archaeometric methods : the case of El Bierzo (Spain) / Teresa Palomar, Manuel García-Heras, Fernando Agua and María Angeles Villegas.", journal = "Archaeologia Polona", issue = "2008 / Tom 46", pages = "207 - 223" }