"gourd, l m. "
principles of welding technology: / l.m. gourd - 2 ed. - uk : edward arnold 1986. - "vi, 233p.; 22 cm."
0-7131-3602-2
welding--
671. 52 gou
principles of welding technology: / l.m. gourd - 2 ed. - uk : edward arnold 1986. - "vi, 233p.; 22 cm."
0-7131-3602-2
welding--
671. 52 gou