Results 131 to 140 of about 182 (150)
Some of the next articles are maybe not open access.
A New Test for Cassegrainian and Gregorian Secondary Mirrors: (Plate 11.)
Monthly Notices of the Royal Astronomical Society, 1931exaly
General Analysis of Aplanatic Cassegrain, Gregorian, and Schwarzschild Telescopes
Applied Optics, 1972exaly
Integrative Devices in Gregorian Chant
The American Journal of Semiotics, 1991openaire +1 more source

