TY - JOUR A1 - Röckmann, T. A1 - Kaiser, J. A1 - Brenninkmeijer, C. A. M. T1 - The isotopic fingerprint of the pre-industrial and the anthropogenic N2O source JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2 IS - 6 SP - 2021 EP - 2043 Y1 - 2002/11/13 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/2/2021/2002/ L1 - http://www.atmos-chem-phys-discuss.net/2/2021/2002/acpd-2-2021-2002.pdf ER -