Астрономия и астрофизика
Physics , AstronomyAstronomically Speaking: A Dictionary of Quotations on Astronomy, Mathematics and Physics
Free Download
Physics , AstronomyAstronomy Methods: A Physical Approach to Astronomical Observations
Free Download
- Physics , Astronomy
Astrophysical Formulae: A Compendium for the Physicist and Astrophysicist
Free Download 
Physics , AstronomyAtlas of the Messier Objects: Highlights of the Deep Sky (2008)(en)(370s)
Free Download
Physics , AstronomyBasics of Radio Astronomy for the Goldstone-Apple Valley Radio Telescope
Free Download- Physics , Astronomy: Astrophysics
Black hole physics: basic concepts and new developments
Free Download 
Physics , AstronomyBurnham’s Celestial Handbook: An Observer’s Guide to the Universe beyond the Solar System (1
Free Download
Physics , AstronomyBurnham’s Celestial Handbook: An Observer’s Guide to the Universe beyond the Solar System, V
Free Download
