Media type: E-Article Title: Climate Variations in Northern North America (6000 Bp to Present) Reconstructed from Pollen and Tree-Ring Data Contributor: Diaz, Henry F.; Andrews, John T.; Short, Susan K. Published: Informa UK Limited, 1989 Published in: Arctic and Alpine Research, 21 (1989) 1, Seite 45 Language: Not determined DOI: 10.2307/1551516 ISSN: 0004-0851 Keywords: General Earth and Planetary Sciences Origination: Footnote: