Cryptotephra sedimentation processes within two lacustrine sequences from west central Sweden Davies, Siwan M. ; Elmquist, Marie ; Bergman, Jonas ; Wohlfarth, Barbara ; Hammarlund, Dan Abstract Publication: The Holocene Pub Date: April 2007 DOI: 10.1177/0959683607076443 Bibcode: 2007Holoc..17..319D