Stellar triangulation with balloon-borne beacons.
| Auteur principal: | |
|---|---|
| Format: | Livre |
| Langue: | English |
| Publié: |
Helsinki
Finnish Geodetic Institute
1973.
|
| Collection: | Suomen geodeettisen laitoksen julkaisuja
n:o 76. |
| Sujets: |