"francis, t g. "
electrical installation work: / t.g. francis - 6 ed. - uk : longman scientific 1988. - "ix, 276p.; 21 cm."
0-582-41344-3
"electrical wiring,interior--buildings-electric equipment"
621. 319 24 fra
electrical installation work: / t.g. francis - 6 ed. - uk : longman scientific 1988. - "ix, 276p.; 21 cm."
0-582-41344-3
"electrical wiring,interior--buildings-electric equipment"
621. 319 24 fra