Non-destructive examination in relation to structural integrity proceedings of the 1st International Seminar on 'Non-destructive Examination in Relation to Structural Integrity' held at the International Congress Center Berlin, Berlin (West), Germany, 22nd August 1979, in conjunction with the 5th International Conference on Structural Mechanics in Reactor Technology - Nichols, R. W. (Roy Woodward), 1923- (Applied Science, 1980)