HERBERT, N. (1991). CONSTRUCTIONAL FEATURES AND OPERATION CAHACTERISTICS OF TRANSFORMERS. WIELY-EASTERN.
Chicago-referens (17:e uppl.)HERBERT, N. CONSTRUCTIONAL FEATURES AND OPERATION CAHACTERISTICS OF TRANSFORMERS. NEW DELHI: WIELY-EASTERN, 1991.
MLA-referens (9:e uppl.)HERBERT, N. CONSTRUCTIONAL FEATURES AND OPERATION CAHACTERISTICS OF TRANSFORMERS. WIELY-EASTERN, 1991.
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