Não informado. (1981). Journal of Electrical and Electronics Engineering, Australia. Institution of Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Electrical and Electronics Engineering, Australia. Barton, Australia: Institution of Engineers, 1981.
Lua MLA (8ú heag.)Não informado. Journal of Electrical and Electronics Engineering, Australia. Institution of Engineers, 1981.
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