Unknown
In:
EPIC3Stratospheric ozone 1999, Proceedings of the fifth European symposium, Air pollution research report 73, 27. September - 1. October 1999, St. Jean de Luz, France, (N. R. P. Harris, M. Guirlet and G. T. Amanatidis, eds), European Commission, Directorate-Ge, pp. 715-718