Master of Galactic Astronomy: A Biography of Jan Hendrik Oort By: Pieter C van der Kruit | Ebooks - Biographical | PDF | 21.52 MiB
| ISBN: 9783030555474 | English
An Introduction to Distance Measurement in Astronomy By: Richard de Grijs | Ebooks - Math/Science/Tech | PDF | 5.16 MiB
| ISBN: 9781119978183 | English