What does OAP stand for?
OAP stands for "Observed to Apparent"
How to abbreviate "Observed to Apparent"?
"Observed to Apparent" can be abbreviated as OAP
What is the meaning of OAP abbreviation?
The meaning of OAP abbreviation is "Observed to Apparent"
What does OAP mean?
OAP as abbreviation means "Observed to Apparent"
