NASA - National Aeronautics and Space Administration

Loewenstein, M., J. Podolske, A. Weaver, D. Fahey, E. L. Woodbridge, P. Tin, S. R. Kawa, P. Newman, M. R. Schoeberl, S. Strahan, and L. R. Lait (1993), New Observations of the NOy/N2O Correlation in the Lower Stratosphere, Geophys. Res. Lett., 20, 2531-2534, doi:10.1029/93GL03004.