Electrical technology /
Hughes, Edward, 1888-
Electrical technology / Edward Hughes. - 4th ed. - London : Longman, 1969. - xviii, 710 p. : ill.
Electric engineering.
Electronics.
Electrical technology / Edward Hughes. - 4th ed. - London : Longman, 1969. - xviii, 710 p. : ill.
Electric engineering.
Electronics.