See also:

• Regional: Europe: Science and Environment  (21)

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.

National Center for Information and Documentation - - Develops and disseminates information products and services, produces and maintains databases.

Wide Field Plate Database - - Contains the descriptive information for the astronomical wide-field (>1°) photographic observations stored in numerous archives all over the world.