21
Protecting the ozone layer : lessons, models, and prospects /
Book
22
The stratosphere and its role in the climate system : [proceedings of the NATO Advanced Science Institute on the Stratosphere and its Role in the Climate System held at Val Morin, Quebec, Canada, September 4-15, 1995] /
Book
23
Stratospheric ozone depletion / UVB radiation in the biosphere : NATO advanced research workshop on stratospheric ozone depletion / UVB radiation in the biosphere, proceedings : Gainesville, FL, 14.06.93-18.06.93 /
Book