What does OTD stand for?
OTD stands for "Observations of Time Differences"
How to abbreviate "Observations of Time Differences"?
"Observations of Time Differences" can be abbreviated as OTD
What is the meaning of OTD abbreviation?
The meaning of OTD abbreviation is "Observations of Time Differences"
What does OTD mean?
OTD as abbreviation means "Observations of Time Differences"
