Title: Astrophysique
First published: 1988
Subjects: Observations, Astrophysics, Astronomy, Astronomical instruments, Astronomie, Instruments, Astrophysique, 39.22 astrophysics, Astrophysik, Astronomisches Instrument, Astrofysica, Waarnemingen, Apparatuur, Astrophysique:observations:méthodes physiques ., Astronomie:instruments