1. On the stability of an electron beam injected along the geomagnetic field;Alekhin;Cosmic Electrodynamics,1971
2. Controlled experiment on wave-particle interactions in the ionosphere;Cartwright;Nature,1971
3. Initial results of a recent electron accelerator experiment;Davis;EOS,1973
4. The French-Soviet “ARAKS” experiment;Gendrin;Space Sci. Rev.,1974
5. Electron echo experiment: a new magnetospheric probe;Hendrickson;Nature,1971