What does PD stand for?
PD stands for "Penning Deexcitation"
How to abbreviate "Penning Deexcitation"?
"Penning Deexcitation" can be abbreviated as PD
What is the meaning of PD abbreviation?
The meaning of PD abbreviation is "Penning Deexcitation"
What does PD mean?
PD as abbreviation means "Penning Deexcitation"
