Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
French
⇄
Czech
English
German
Italian
Russian
G
o
o
g
l
e
|
Forvo
|
+
méthode d'observation des distances zénithales d'étoiles
astr.
D-R-Methode
n
;
Methode, die Zenitdistanzen direkt und im Quecksilberhorizont reflektiert zu messen
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
