Analysis and tests of a right circular cylinder in a photon environment
Gas-filled proportional photon counter for the mirror X-ray telescope of the 'Salyut-4' station
Photon Spectra from Induced Activity in an Orbiting Spacecraft
The Photoelectron-Spectrometer Experiment on Atmosphaere Explorer
Bibliography of Advanced Propulsion and Related Concepts
A Focus Detector as an Aid for Focusing a Laser on a Target
Photon-Coupled Isolation Switch Quarterly Report, 1 Jan. - 31 Mar. 1967
Photon-Coupled Isolation Switch First Quarterly Report, 1 Jan. - 31 Mar. 1966
Calculations for Mosaics with Plane and Curved Grating Elements Quarterly Progress Report No. 4