Variant of CIP 2011- STEM groupings
- a.1 - Science
- 40. - Physical sciences
- 40.02 - Astronomy and astrophysics
- 40.0201 - Astronomy
- 40.0202 - Astrophysics
- 40.0203 - Planetary astronomy and science
- 40.0299 - Astronomy and astrophysics, other
- Date modified: