Preferred term
523.72 Optiske, elektromagnetiske, radioaktive, termiske fenomener
Broader concept
Broader conceptEntry terms
Alternative terms for the concept.- Solas radiostråling
- Solenergi--astronomi
- Solstråling
Identifier
- ocd00145910
Notation
Code that uniquely identifies a concept within a concept scheme.- 523.72
URI
http://dewey.info/class/523.72/e23/