Conference on refraction effects in geodesy [and] Conference on electronic distance measurement P.V. Angus-Leppan.
| Erakunde egilea: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | Kengsington
          University of New South Wales
    
        Department of Surveying, 1969. | 
| Gaiak: |