What does PTD stand for?
PTD stands for "Physical Theory of Diffraction"
How to abbreviate "Physical Theory of Diffraction"?
"Physical Theory of Diffraction" can be abbreviated as PTD
What is the meaning of PTD abbreviation?
The meaning of PTD abbreviation is "Physical Theory of Diffraction"
What does PTD mean?
PTD as abbreviation means "Physical Theory of Diffraction"