Top-down estimates of N2O emissions over the past two decades

Canadell, P.; Chipperfield, M. P; Davidson, E. A.; Gressent, Alicia; Koffi, Ernest; Lassaletta, Luis; Patra, Prabir; Thompson, Rona Louise; Tian, H.; Wells, Kelley C.; Wilson, C.; Winiwarter, Wilfried