AUTHOR=Müller-Plath Gisela TITLE=Internal Multidecadal and Interdecadal Climate Oscillations: Absence of Evidence Is No Evidence of Absence JOURNAL=Frontiers in Earth Science VOLUME=8 YEAR=2020 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2020.559337 DOI=10.3389/feart.2020.559337 ISSN=2296-6463