Alternating-current machines
Puchstein, A.
Alternating-current machines - 2a. ed. - New York : John Wiley and Sons, 1942. - 655 p. : tela ; 18 cm.
Alternating-current machines - 2a. ed. - New York : John Wiley and Sons, 1942. - 655 p. : tela ; 18 cm.