Intercomparison of methods to estimate gross primary production based on CO2 and COS flux measurements. - Kohonen, Kukka-Maaria; Dewar, Roderick; Tramontana, Gianluca; Mauranen, Aleksanteri; Kolari, Pasi; Kooijmans, Linda M. J.; Papale, Dario; Vesala, Timo; Mammarella, Ivan (Biogeosciences, 2022)