1. Doubly charged molecular ions in the auroral ionosphere;Avakyan;Geomagn. Aeronomy,1978
2. About the method of the investigation of ionospheric photoelectrons from satellites;Avakyan;Researches on geomagnetism, aeronomy and solar physics,1979
3. Outlook for the creation of permanent solar EUV and soft X-ray radiation patrol;Avakyan;Adv. Space Res.,1998
4. Auger effect in the optics of the upper atmosphere;Avakyan;J. of Optical Technology,1998
5. The excitation and ionization at the upper atmosphere during solar flares with consideration of the photoelectrons;Avakyan;Geomagn. Aeronomy,1984