Theraja, B. L.
Textbook of elect. technology - 1st ed. - New Delhi Nirja Construction & Development 1982 - 1604 p. ill.
Electrical technology
623 / THE/1982
Textbook of elect. technology - 1st ed. - New Delhi Nirja Construction & Development 1982 - 1604 p. ill.
Electrical technology
623 / THE/1982