Patchett, G.N.
Automatic voltage regulators and stabilizers - 3d ed. - London Pitman 1970 - 586 p., ill.
621.316.772.078.3 / P3
Automatic voltage regulators and stabilizers - 3d ed. - London Pitman 1970 - 586 p., ill.
621.316.772.078.3 / P3