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