Roeper, R. (1972). Short circuit currents in three phase networks. Siemens.
Chicago Edition CitationRoeper, Richard. Short Circuit Currents in Three Phase Networks. Berlin: Siemens, 1972.
ציטוט MLARoeper, Richard. Short Circuit Currents in Three Phase Networks. Siemens, 1972.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.