Some developments for a unit magnification catadioptric optical system
Some features of formation of guide sources
Some features of segmented mirror fabrication and testing
Some ideas about representations of aspheric optical surfaces
Some ideas for a Large European Solar Telescope (LEST)
Some local filtering methods.
Some new ideas of the optical system of large telescopes
Some notions about sehr spectra of crystal violet
Some photometric properties of the Martian south polar CAP region during the 1971 apparition
Some preliminary estimates of the aerosol component in the Venusian atmosphere
Some properties of light propagation in relativity
Some Properties of Speckle from ``Smooth'' Surfaces
Some Recent Developments of Windowed Fourier Transform for Fringe Pattern Analysis
Some remarks on Danjon's law
Some results for the lateral divergence of ray tubes
Some results of numerical simulation of atmospheric aerosol and gaseous component dispersion over an industrial center
Some results on disturbance rejection control for an adaptive optics system
Some snippets of history
Sonine's Bessel identity applied to apodization
SONTRAC: A solar neutron track chamber detector