Friend AD, White A. Evaluation and analysis of a dynamic terrestrial ecosystem model under pre-industrial conditions at the global scale. Global Biogeochemical Cycles. 2000  ;14:1173-1190.

White A, Cannell MGR, Friend AD. Climate change impacts on ecosystems and the terrestrial carbon sink: a new analysis. Global Environmental Change. 1999  ;9:S21-S30 Suppl. S.