"Welding Research Counsil" . . "TWR" . . "International Conference on Trends in Welding Research." . . . . "Conference papers and proceedings" . . . . "Recent trends in welding science and technology : TWR '89; proceedings of the 2. International Conference on Trends in Welding Research, Gatlinburg, Tennessee, USA, 14 - 18 May 1989" . . . . "Recent trends in welding science and technology : TWR'89 : proceedings of the 2nd International Conference on Trends in Welding Research, Gatlinburg, Tennessee, USA, 14-18 May 1989" . "Recent trends in welding science and technology" . . "Recent trends in welding science and technology TWR'89 : proceedings of the 2nd International Conference on Trends in Welding Research, Gatlinburg, Tennessee, USA, 14-18 May 1989" . . . . . . . . . "Recent trends in welding science and technology, TWR '89 : Proceedings of the 2. International conference on trends in welding research, Gatlinburg,Tenn. 1989" . . . . . . . "Recent trends in welding science and technology : TWR '89 : proceedings of the 2nd International Conference on Trends in Welding Research, Gatlinburg, Tennessee, USA, 14-18 May 1989" . . . . . "Recent Trends in Welding Science and Technology TWR'89 : Proceedings of the 2nd International Conference on Trends in Welding Research , Gatlinburg, Tennessee, USA 14-18 May 1989" . . "International Conference on Trends in Welding Research (2nd : May 1989 : Gatlinburg,)" . . . "Welding Research Council (É.U.)" . . "International conference on trends in welding research (2 : 1989 : Gatlinburg)" . . . . . "International Conference on Trends in Welding Research (2nd : 1989 : Gatlinburg, Tenn.)" . . . "International Conference on Trends in Welding Research (2e : 1989 : Gatlinburg, Tennessee)" . . .