Interplanetary experiment (S204) for the heos-a2 mission
A spark gamma telescope for cosmic gamma radiation
Design of an x-ray telescope system for an orbiting astronomical observatory
Research study on stabilization and control modern sampled-data control theory. Bimonthly report
Zur Foto- und Kinematografie im Skylab-Forschungsprogramm
Fourier spectroscopy of interstellar sources on an infrared telescope explorer
If optical alignment makes a Saracen safer you could benefit too
Its-K infrared cryogenic telescope-spectrometer aboard salyut-4