Text ( visual ) : unmediated Surface layers : structure-property relations : proceedings of a symposium on the occasion of the 150th Anniversary of Delft University of Technology, May 14 - 15, 1992 / editors, M.A.J. Somers, E.J. Mittemeijer, J. Schoonman. -- Aedermannsdorf, Switzerland : Trans Tech Publications , c1994. -- 172 p. : ill. ; 25 cm. -- (Materials science forum ; v. 154). -- Includes index. -- ISBN 0878496793 ; (BA23128594) ; https://ci.nii.ac.jp/ncid/BA23128594 Author Heading(s): Somers, M. A. J. ; Mittemeijer, E. J. ; Schoonman, Johannes