Arp, Robert. Building ontologies with basic formal ontology / Robert Arp, Barry Smith, and Andrew D. Spear. — Cambridge, Massachusetts; London, England: MIT Press, 2015. — 1 PDF (248 p.). — Доступ по паролю из сети Интернет (чтение, печать). — Mode of access: World Wide Web. — <URL:https://ieeexplore.ieee.org/xpl/bkabstractplus.jsp?bkn=7275982>. — Текст: электронный
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