Não informado. (1966). Electrical and Electronics Abstracts. Institution of Electrical Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Electrical and Electronics Abstracts. London: Institution of Electrical Engineers, 1966.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Electrical and Electronics Abstracts. Institution of Electrical Engineers, 1966.
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