00469pamaa2200181 4500 0000018285 20060629090000.0 0340613998 671.52 GOU 1995 TS227 GOU 1995 GOURD Principles of welding technology L. M. Gourd. 3rd ed. London: Edward Arnold, 1995. viii, 243p.: 23cm. Electric welding Welding Welding technology/Gourd