CONTENTS
1. 50 aniversary of the journal Geodesy, Kartography, Landmanagement
Georgi Milev
2. Regresive analisys and the method of least squares
Geoergi Valev, Penka Kastreva
3. Investigation of summer movement of Balkan Peninsula GNSS permanent stations from GPS solutions
Keranka Vasileva
4. Using digital filters for image vectorization
Plamen Maldzhanski
5. About using of ortophotogrammetry in the rural praktice
Valentina Pencheva, Radka Kancheva, Nevena. Miteva, Grozu Dochev
6. 3D aerial surveing of the railway infrastructure and its elements in order to be included in the GIS of
the National Railway Infrastructure Company
Miglena Kurteva
7. Spatial Interpretation of the data fr