"francis, t g. "
electrical installation work: / t.g. francis - 5 ed. - uk : elbs 1978. - "xxii, 337p.; 22 cm."
0-582-40709-5
electrical installation--
621. 319 24 fra
electrical installation work: / t.g. francis - 5 ed. - uk : elbs 1978. - "xxii, 337p.; 22 cm."
0-582-40709-5
electrical installation--
621. 319 24 fra