Jura (1) Canton du Jura (1) Suisse (1) Event history analysis (1) Witnesses (1) Turnover (Business) (1) State, The (1) Spruce (1) School credits (1) Production (Economic theory) (1) Peatlands (1) Peat bogs (1) Palynology (1) Ossetes (1) Nature (1) Iron (1) Fir (1) Fifteenth century (1) Evidence (1) Day (1) Culture (1) Chronology, Historical (1) Archaeometry (1) 15th century (1) Pollen (1) Arqueometría (1) Cronología histórica (1) Abetos (1) Turberas (1) Testigos (1)