URI(s)
- http://id.loc.gov/authorities/subjects/sh85079768
- http://id.loc.gov/authorities/sh85079768#concept
Components
- Secular variations
Variants
- Magnetic variations, Secular
- Secular variations (Geomagnetism)
Closely Matching Concepts from Other Schemes
Broader Concepts from Other Schemes
LC Classification
- QC828
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 1989-08-23: revised
Alternate Formats
