NASA - National Aeronautics and Space Administration

Sandholm, S. T., J. Bradshaw, G. Chen, H. Singh, R. Talbot, G. Gregory, D. R. Blake, G. Sachse, E. Browell, J. Barrick, R. Harriss, and J. M. Hoell (1993), Arctic tropospheric observations related to NOy distributions and partitioning, J. Geophys. Res., 97, 16,481-16.