What does UIS stand for?
UIS stands for "Union Internationale de Speologie"
How to abbreviate "Union Internationale de Speologie"?
"Union Internationale de Speologie" can be abbreviated as UIS
What is the meaning of UIS abbreviation?
The meaning of UIS abbreviation is "Union Internationale de Speologie"
What does UIS mean?
UIS as abbreviation means "Union Internationale de Speologie"
