Não informado. (1893). Proceedings of the Annual Meeting. Society for the Promotion of Engineering Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Proceedings of the Annual Meeting. Urbana, Ill: Society for the Promotion of Engineering Education, 1893.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Proceedings of the Annual Meeting. Society for the Promotion of Engineering Education, 1893.
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