Theraja, B. L.
Text-book of electrical technology S. I. systems of units - 20th ed. - New Delhi Nirja Construction & Development 1985 - 1604p. ill.
Electrical technology
623 / THE/1985
Text-book of electrical technology S. I. systems of units - 20th ed. - New Delhi Nirja Construction & Development 1985 - 1604p. ill.
Electrical technology
623 / THE/1985