1. Editors' note

   EditorialNotes Pages: 115 - 115

2. Vertical profiles of acetylene in the troposphere and stratosphere

   • J. Rudolph
   • D. H. Ehhalt
   • A. Khedim

   OriginalPaper Pages: 117 - 124

3. Nitrogen dioxide column content measurements made from an aircraft between 5° and 82°N

   • W. A. Matthews

   OriginalPaper Pages: 125 - 132

4. Trace gas measurements during aircraft flights in the tropopause region over Europe and North Africa

   • M. Schmidt
   • R. Borchers
   • S. Lal

   OriginalPaper Pages: 133 - 143

5. Far infrared remote sounding of stratospheric temperature and trace gas distributions

   • Mian M. Abbas
   • Jing Guo
   • Bruno Carli

   OriginalPaper Pages: 145 - 161

6. The origin of ozone-rich air in the middle stratosphere observed over Europe at the end of January 1979

   • W. Braun
   • H. U. Dütsch

   OriginalPaper Pages: 163 - 173

7. The vertical sulfur dioxide distribution at the tropopause level

   • F. X. Meixner

   OriginalPaper Pages: 175 - 189

8. Measurements of stratospheric HO₂ and NO₂ by matrix isolation and ESR spectroscopy

   • M. Helten
   • W. Pätz
   • D. H. Ehhalt

   OriginalPaper Pages: 191 - 202

9. Ly(α) absorption cross-section of H₂O and O₂

   • Dieter Kley

   OriginalPaper Pages: 203 - 210

10. Ballon-borne and aircraft infrared measurements of ethane (C₂H₆) in the upper troposphere and lower stratosphere

    • A. Goldman
    • C. P. Rinsland
    • W. G. Mankin

    OriginalPaper Pages: 211 - 221