Cita recomanada
Baxter, M.J. ; Beardah, C.C. ; Cool, H.E.M. ; Jackson, C.M.. (2003). Compositional data analysis of archaeological glass: problems and possible solutions. Girona: Universitat. [Consulta: 23 Maig 2013]. Disponible a: http://hdl.handle.net/10256/672