Não informado. (1977). Informatics Abstracts. All-Union Institute of Scientific and Technical Information.
Cita Chicago Style (17a ed.)Não informado. Informatics Abstracts. Moscow: All-Union Institute of Scientific and Technical Information, 1977.
Cita MLA (8a ed.)Não informado. Informatics Abstracts. All-Union Institute of Scientific and Technical Information, 1977.
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