What does PETRA stand for?
PETRA stands for "Positron Elektron Tandem Ring Anlage"
How to abbreviate "Positron Elektron Tandem Ring Anlage"?
"Positron Elektron Tandem Ring Anlage" can be abbreviated as PETRA
What is the meaning of PETRA abbreviation?
The meaning of PETRA abbreviation is "Positron Elektron Tandem Ring Anlage"
What does PETRA mean?
PETRA as abbreviation means "Positron Elektron Tandem Ring Anlage"
