Drupal-Bibcite0<style face="normal" font="default" size="100%">Timing and duration of Variscan high-pressure metamorphism in the French Massif Central: A multimethod geochronological study from the Najac Massif</style><style face="normal" font="default" size="100%">Timing and duration of Variscan high-pressure metamorphism in the French Massif Central: A multimethod geochronological study from the Najac Massif</style>