Teaching (2) Research (2) Archaeometry (2) Archaeology (2) Arqueometría (2) Enseñanza (2) Investigación (2) Arqueología (2) Pérou (1) Chili (1) Argentine (1) Minors (1) Trials (1) Tools (1) Students (1) Solids (1) Nuclear activation analysis (1) Prospecting (1) Physicists (1) Occupations (1) Materials (1) Liquids (1) Interest (1) Geology (1) Gases (1) Education (1) Corporations (1) Computer output microfilm devices (1) Chemists (1) Chemistry (1)