1. Structure of the Neutral asmosphere between 150 and 500 km;Barlier,1972
2. North-south asymmetry in the thermosphere during the last maximum of the solar cycle;Barlier,1973
3. XV Cospar;Blum,1972
4. The apparent rotation of the upper atmosphere;Challinor;Planet. Space Sci.,1968
5. Neutral winds in the F-region;Challinor;Planet. Space Sci.,1970