Scientific journal publication Interannual variability in tropospheric nitrous oxide. Thompson, R.L.; Dlugokencky, E.; Chevallier, F.; Ciais, P.; Dutton, G.; Elkins, J.W.; Langenfelds, R.L.; Prinn, R.G.; Weiss, R.F.; Tohjima, Y.; O'Doherty, S.; Krummel, P.B.; Fraser, P.; Steele, L.P. Publication details Journal: Geophysical Research Letters, 40, 4426–4431, 2013 DOI: 10.1002/grl.50721