What does ER stand for?
ER stands for "egocentric frame of reference"
How to abbreviate "egocentric frame of reference"?
"egocentric frame of reference" can be abbreviated as ER
What is the meaning of ER abbreviation?
The meaning of ER abbreviation is "egocentric frame of reference"
What does ER mean?
ER as abbreviation means "egocentric frame of reference"
