Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Russian
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
Kronig-Penney model
stresses
el.
модель Кронига-Пени
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
