Multiproxy dendroclimatology: a pilot study in northern Finland - McCarroll, Danny; Jalkanen, Risto; Hicks, Sheila; Tuovinen, Mervi; Gagen, Mary; Pawellek, Frank; Eckstein, Dieter; Schmitt, Uwe; Autio, Jyrki; Heikkinen, Olavi (The Holocene, 2003)