What does Pr-139 stand for?
Pr-139 stands for "Praseodymium"
How to abbreviate "Praseodymium"?
"Praseodymium" can be abbreviated as Pr-139
What is the meaning of Pr-139 abbreviation?
The meaning of Pr-139 abbreviation is "Praseodymium"
What does Pr-139 mean?
Pr-139 as abbreviation means "Praseodymium"
