Author
Akademi︠i︡a nauk SSSR
2
Air Force Cambridge Research Laboratories (U.S.)
1
Altshuler, Edward E.
1
India. Dept. of Space
1
Indian Space Research Organisation
1
Indian Space Research Organisation. Satellite Centre
1
Lembaga Penerbangan dan Antariksa Nasional (Indonesia)
1
National Air and Space Museum
1
Pusat Riset Dirgantara (Indonesia)
1