Commodity Code

praseodymium

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

definition Praseodymium is a chemical element that has the symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. more like this
notation
02.01.03.02.04 more like this
Pr more like this
source http://en.wikipedia.org/wiki/Praseodymium more like this
type
Resource
Concept
broader lree
narrower praseodymium
in scheme commodity code
is primary topic of praseodymium