Journal Article
Park, T.; Chen, C.; Macias-Fauria, M.; Tømmervik, H.; Choi, S.; Winkler, A.; Bhatt, U. S.; Walker, D. A.; Piao, S.; Brovkin, V. et al.; Nemani, R. R.; Myneni, R. B.: Changes in timing of seasonal peak photosynthetic activity in northern ecosystems. Global Change Biology
25 (7), pp. 2382 - 2395 (2019)