-
1513.
Astronomical geography
Subjects
-
1514.
Astronomical instruments
Subjects
Scientific apparatus and instrumentsPhysical instrumentsOptical instruments
-
1515.
Astronomical models
Subjects
Astronomical instruments
-
1516.
Astronomical observations
Subjects
Astronomy
-
1517.
Astronomical observatories
Subjects
Observatories
-
1518.
Astronomical photography
Subjects
Astronomical instruments
-
1519.
Astronomical photometry
Subjects
Photometry
-
1520.
Astronomical refraction
Subjects
Spherical astronomyRefraction
-
1521.
Astronomical research
Subjects
-
1522.
Astronomical spectroscopy
Subjects
AstrophysicsAbsorption spectra
-
1523.
Astronomy
Subjects
Space sciences
-
1524.
Astronomy education
Subjects
Teaching
-
1525.
Astrophysical jets
Subjects
AstrophysicsRadio sources (Astronomy)
-
1526.
Astrophysics
Subjects
AstronomyPhysics
-
1527.
Astures
Subjects
Celts
-
1528.
Asturian art
Subjects
Pre-Romanesque art
-
1529.
Asturian cooking
Subjects
Spanish cooking
-
1530.
Asturian literature
Subjects
-
1531.
Asturian Revolution, 1934
Subjects
Revolution of 1934, Spain
-
1532.
Asylums
Subjects
Public welfare
-
1533.
Asymmetric synthesis
Subjects
Combinatorial chemistry
-
1534.
Asymmetric warfare
Subjects
War
-
1535.
Asymptotes
Subjects
Plane curves
-
1536.
Asymptotic analysis
Subjects
Applied mathematics
Last updated dated: 15/11/2025