authenticity Argentina 4 Geographical origins 4 Isotopes 4 Isotopic composition 4 Mass Spectrometry 4 Mass spectrometers 4 Soil 4 Soils 4 Spectrometry 4 Trace Elements 4 autenticidad 4 geographical origin 4 isotopic composition 4 mass spectrometry 4 soil 4 trace element 4 trace elements 4 autenticidade 3 Animals 2 Bos 2 Buenos Aires 2 Canonical correlation analysis 2 Carbon Isotopes 2 Cattle 2 Chemical analysis 2 Climate 2 Climatic conditions 2 Discriminant Analysis 2 Discriminant analysis 2