1. Ancillary data services of NASA's navigation and ancillary information facilty;Acton;Planet. Space Sci.,1996
2. Light reflection by the Moon;Akimov;I. Kinemat. Phys. Celest. Bodies,1988
3. Light reflection by the Moon;Akimov;II. Kinemat. Phys. Celest. Bodies,1988
4. Dependence of lunar highland brightness on photometric latitude;Akimov;Kinemat. Phys. Celest. Bodies,1999
5. Dependence of latitudinal brightness distribution over the lunar disk on albedo and surface roughness;Akimov;Kinemat. Phys. Celest. Bodies,2000