Coexisting responses in tree-ring δ13 C to high-latitude climate variability under elevated CO2: A critical examination of climatic effects and systematic discrimination rate changes - Helama, Samuli; Arppe, Laura; Uusitalo, Joonas; Mäkelä, Hanna M.; Oinonen, Markku; Mielikäinen, Kari (Elsevier Science, 2016)
Keywords: dendroclimatology; stable carbon discrimination; carbon dioxide; photosynthesis; Pinus sylvestris