հայերեն (Armenian)
Беларуская (Belarusian)
বাংলা (Bengali)
Български (Bulgarian)
Català (Catalan)
中文 (Chinese)
Hrvatski (Croatian)
Čeština (Czech)
Nederlands (Dutch)
English
Eesti (Estonian)
Français (French)
Deutsch (German)
Ελληνικά (Greek)
हिन्दी (Hindi)
Magyar (Hungarian)
日本語 (Japanese)
ಕನ್ನಡ (Kannada)
Polski (Polish)
Português (Portuguese)
Româna (Romanian)
Pусский (Russian)
Slovenský (Slovak)
Español (Spanish)
Svenska (Swedish)
Yкраї́нська (Ukrainian)
URI
http://udcdata.info/029773
Notation
54.02
Caption
Composition. Structure. Isotopes
Broader class
54.01/.08
Special auxiliary subdivision for composition, production, preparation and analysis
