Drupal-Bibcite0<style face="normal" font="default" size="100%">Tracing marine cryptotephras in the North Atlantic during the last glacial period: Protocols for identification, characterisation and evaluating depositional controls</style><style face="normal" font="default" size="100%">Tracing marine cryptotephras in the North Atlantic during the last glacial period: Protocols for identification, characterisation and evaluating depositional controls</style>