Search results: DC.title:Validació AND DC.title:d'un AND DC.title:mètode AND DC.title:per AND DC.title:a AND DC.title:la AND DC.title:determinació AND DC.title:dels AND DC.title:cations AND DC.title:Ca AND DC.title:2, AND DC.title:Mg AND DC.title:2, AND DC.title:Na AND DC.title:I AND DC.title:K AND DC.title:en AND DC.title:sòls