1. Probe measurements of electric field in space;Aggson,1969
2. A proposal for electric field measurements on ATS-1;Aggson,1964
3. A proposal for electric field measurements on the gravity gradient ATS-A satellite;Aggson,1965
4. Observations of large transient magnetospheric electric fields;Aggson;J. Geophys. Res.,1977
5. The polar electrojet;Akasofu;J. Atm. and Terr. Phys,1965