Briffa, K.R., Jones, P.D., Bartholin, T.S., Eckstein, D., Schweingruber, F.H, Karlen, W., Zetterberg, P. and Eronen, M., 1992
“Fennoscandian summers from A.D.500: temperature changes on short and long timescales.”
Climate Dynamics 7, 111-119 (R)
(keywords: Europe temperature historical tree rings observations reconstructions)
Briffa, K.R., Bartholin, T.S., Eckstein, D., Jones, P.D., Karlen, W., Schweingruber, F.H. and Zetterberg, P., 1990
“A 1,400-year tree-ring record of summer temperatures in Fennoscandia.”
Nature 346, 434-439 (R)
(keywords: tree rings Europe temperature historical dendro records)