Commodity Code

cerium

http://resource.geosciml.org/classifier/cgi/commodity-code/cerium

definition Cerium is a chemical element with symbol Ce and atomic number 58. It is a soft, silvery, ductile metal which easily oxidizes in air. more like this
notation
02.01.03.02.01 more like this
Ce more like this
source http://en.wikipedia.org/wiki/Cerium more like this
type
Resource
Concept
broader lree
narrower cerium
in scheme commodity code
is primary topic of cerium