Não informado. (2021). Research Division Bulletin. Virginia Polytechnique Institute and State University.
Chicago-referens (17:e uppl.)Não informado. Research Division Bulletin. Blacksburg, Va: Virginia Polytechnique Institute and State University, 2021.
MLA-referens (8:e uppl.)Não informado. Research Division Bulletin. Virginia Polytechnique Institute and State University, 2021.
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