Michael E. Mann and Raymond S. Bradley
Department of Geosciences, University of Massachusetts, Amherst, Massachusetts
Malcom K. Hughes
Laboratory of Tree-Ring Research, University of Arizona, Tucson, Arizona
Michael E. Mann and Raymond S. Bradley
Department of Geosciences, University of Massachusetts, Amherst, Massachusetts
Malcom K. Hughes
Laboratory of Tree-Ring Research, University of Arizona, Tucson, Arizona