MainFor librariansLibrary and Bibliographic Classification SystemsState Rubricator of Scientific and Technical Information (SRSTI)

State Classifier NTI / SRSTI

State Classifier NTI / Rubricator of Scientific and Technical Information (SRSTI) is a universal hierarchical classification of areas of knowledge adopted to systematize the entire flow of scientific and technical information, the national classification system of the Russian Federation.
In Belarus it is used in republican scientific and scientific-technical libraries.

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