Thumann, A. (1991). Introduction to efficient electrical systems design (2nd ed.). Lilburn, GA: The Fairmont Press.
Παραπομπή Chicago StyleThumann, Albert. Introduction to Efficient Electrical Systems Design. 2nd ed. Lilburn, GA: The Fairmont Press, 1991.
Παραπομπή MLAThumann, Albert. Introduction to Efficient Electrical Systems Design. 2nd ed. Lilburn, GA: The Fairmont Press, 1991.
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