Preferred term
538.7674 F-laget
Broader concept
Broader conceptEntry terms
Alternative terms for the concept.- Appelton-laget (ionosfæren)
- Appletonsjiktet (ionosfæren)
- F-laget (ionosfæren)
Identifier
- ocd00146495
Notation
Code that uniquely identifies a concept within a concept scheme.- 538.7674
URI
http://dewey.info/class/538.7674/e23/