Sites:
| Bulgarian Academy of Sciences: Board, central administration and research units. | | Bulgarian Ship Hydrodynamics Centre: Conducts research in ship and offshore hydrodynamics, coastal hydraulics, aerodynamics, environment, water transport and information technology. | | IEEE Bulgaria: Regional section of the institute of electrical and electronics engineers. | | Wide Field Plate Database: Contains the descriptive information for the astronomical wide-field (>1°) photographic observations stored in numerous archives all over the world. |
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