What does ERP stand for?
ERP stands for "Equatorial Rotation Period"
How to abbreviate "Equatorial Rotation Period"?
"Equatorial Rotation Period" can be abbreviated as ERP
What is the meaning of ERP abbreviation?
The meaning of ERP abbreviation is "Equatorial Rotation Period"
What does ERP mean?
ERP as abbreviation means "Equatorial Rotation Period"
