"cotton, h . "
the transmission and distribution of electrical energy: / h.. cotton - 1 ed. - uk : english u. press 1958. - "vii, 560p.; 22 cm."
TK3001 / .C65 1970
the transmission and distribution of electrical energy: / h.. cotton - 1 ed. - uk : english u. press 1958. - "vii, 560p.; 22 cm."
TK3001 / .C65 1970