TY - BOOK AU - Boogaard,J. AU - Dijk,G.M.van ED - World Conference on Non-Destructive Testing TI - Non-destructive testing: proceeding of the 12th World Conference on Non-Desructive Testing, Amsterdam, The Netherlands, April 23-28, 1989 PY - 1989/// CY - Amsterdam PB - Elsevier Science Publishers B.V. KW - Non-destructive testing KW - Congresses ER -