(1989). Catalogue '89. Catalogue of IEC publications. World standards for electrical and electronic engineering. Commission électrotechnique internationale.
Citácia podle Chicago (17th ed.)Catalogue '89. Catalogue of IEC Publications. World Standards for Electrical and Electronic Engineering. Genève: Commission électrotechnique internationale, 1989.
Citácia podľa MLA (8th ed.)Catalogue '89. Catalogue of IEC Publications. World Standards for Electrical and Electronic Engineering. Commission électrotechnique internationale, 1989.
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