Nitrous oxide emissions 1999 to 2009 from a global atmospheric inversion.

Thompson, R.L.; Chevallier, F.; Crotwell, A.M.; Dutton, G.; Langenfelds, R.L.; Prinn, R.G.; Weiss, R.F.; Tohjima, Y.; Nakazawa, T.; Krummel, P.B.; Steele, L.P.; Fraser, P.; Ishijima, K.; Aoki, S.