Simultaneous stable isotope analysis of methane and nitrous oxide on ice core samples

C. J. Sapart, C. Van Der Veen, I. Vigano, M. Brass, R. S.W. Van De Wal, M. Bock, H. Fischer, T. Sowers, C. Buizert, P. Sperlich, T. Blunier, M. Behrens, J. Schmitt, B. Seth, T. Röckmann